<record>
    <header>
        <identifier>oai:CiteSeerPSU:1</identifier>
        <datestamp>1993-08-11</datestamp>
        <setSpec>CiteSeerPSUset</setSpec>
    </header>
    <metadata>
        <oai_citeseer:oai_citeseer xmlns:oai_citeseer="http://copper.ist.psu.edu/oai/oai_citeseer/" xmlns:dc ="http://purl.org/dc/elements/1.1/" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://copper.ist.psu.edu/oai/oai_citeseer/ http://copper.ist.psu.edu/oai/oai_citeseer.xsd ">
            <dc:title>36 Problems for Semantic Interpretation</dc:title>
            <oai_citeseer:author name="Gabriele Scheler">
                <address>80290 Munchen , Germany</address>
                <affiliation>Institut fur Informatik; Technische Universitat Munchen</affiliation>
            </oai_citeseer:author>
            <dc:subject>Gabriele Scheler 36 Problems for Semantic Interpretation</dc:subject>
            <dc:description>This paper presents a collection of problems for natural language analysis
derived mainly from theoretical linguistics. Most of these problems
present major obstacles for computational systems of language interpretation.
The set of given sentences can easily be scaled up by introducing more
examples per problem. The construction of computational systems could
benefit from such a collection, either using it directly for training and
testing or as a set of benchmarks to qualify the performance of a NLP
system.
1 Introduction
The main part of this paper consists of a collection of problems for semantic
analysis of natural language. The problems are arranged in the following way:
example sentences
concise description of the problem
keyword for the type of problem
The sources (first appearance in print) of the sentences have been left out,
because they are sometimes hard to track and will usually not be of much use,
as they indicate a starting-point of discussion only. The keywords howeve...</dc:description>
            <dc:contributor>The Pennsylvania State University CiteSeer Archives</dc:contributor>
            <dc:publisher>unknown</dc:publisher>
            <dc:date>1993-08-11</dc:date>
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            <dc:identifier>http://citeseer.ist.psu.edu/1.html</dc:identifier>
            <dc:source>ftp://flop.informatik.tu-muenchen.de/pub/fki/fki-179-93.ps.gz</dc:source>
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<record>
<header>
<identifier>oai:CiteSeerPSU:2</identifier>
<datestamp>1997-11-01</datestamp>
<setSpec>CiteSeerPSUset</setSpec>
</header>
<metadata>
<oai_citeseer:oai_citeseer xmlns:oai_citeseer="http://copper.ist.psu.edu/oai/oai_citeseer/" xmlns:dc ="http://purl.org/dc/elements/1.1/" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://copper.ist.psu.edu/oai/oai_citeseer/ http://copper.ist.psu.edu/oai/oai_citeseer.xsd ">
   <dc:title>The Graham Scan Triangulates Simple Polygons</dc:title>
   <oai_citeseer:author name="Godfried Toussaint">
   </oai_citeseer:author>
   <oai_citeseer:author name="Hazel Everett">
   </oai_citeseer:author>
   <oai_citeseer:author name="Xianshu Kong">
   </oai_citeseer:author>
   <dc:subject>Godfried Toussaint,Hazel Everett,Xianshu Kong The Graham Scan Triangulates Simple Polygons</dc:subject>
   <dc:description>The Graham scan is a fundamental backtracking technique in computational geometry which was originally designed to compute the convex hull of a set of points in the plane and has since found application in several different contexts. In this note we show how to use the Graham scan to triangulate a simple polygon. The resulting algorithm triangulates an n vertex polygon P in O(kn) time where k-1 is the number of concave vertices in P. Although the worst case running time of the algorithm is O(n 2 ), it is easy to implement and is therefore of practical interest. 1. Introduction A polygon P is a closed path of straight line segments. A polygon is represented by a sequence of vertices P = (p 0 ,p 1 ,...,p n-1 ) where p i has real-valued x,y-coordinates. We assume that no three vertices of P are collinear. The line segments (p i ,p i+1 ), 0 i n-1, (subscript arithmetic taken modulo n) are the edges of P. A polygon is simple if no two nonconsecutive edges intersect. A simple polygon part...</dc:description>
   <dc:contributor>The Pennsylvania State University CiteSeer Archives</dc:contributor>
   <dc:publisher>unknown</dc:publisher>
   <dc:date>1997-11-01</dc:date>
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   <dc:identifier>http://citeseer.ist.psu.edu/2.html</dc:identifier>
   <dc:source>http://www-cgrl.cs.mcgill.ca/~godfried/publications/tri.scan.ps.gz</dc:source>
   <dc:language>en</dc:language>
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<record>
<header>
<identifier>oai:CiteSeerPSU:3</identifier>
<datestamp>1996-12-27</datestamp>
<setSpec>CiteSeerPSUset</setSpec>
</header>
<metadata>
<oai_citeseer:oai_citeseer xmlns:oai_citeseer="http://copper.ist.psu.edu/oai/oai_citeseer/" xmlns:dc ="http://purl.org/dc/elements/1.1/" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://copper.ist.psu.edu/oai/oai_citeseer/ http://copper.ist.psu.edu/oai/oai_citeseer.xsd ">
   <dc:title>Interaction of Nonlinear Schr&#246;dinger Solitons with an External Potential</dc:title>
   <oai_citeseer:author name="Helge Frauenkron">
      <address>D--42097 Wuppertal , Germany</address>
      <affiliation>Physics Department , University of Wuppertal,</affiliation>
   </oai_citeseer:author>
   <oai_citeseer:author name="Peter Grassberger">
      <address>D--42097 Wuppertal , Germany</address>
      <affiliation>Physics Department , University of Wuppertal,</affiliation>
   </oai_citeseer:author>
   <dc:subject>Helge Frauenkron,Peter Grassberger Interaction of Nonlinear Schr&#246;dinger Solitons with an External Potential</dc:subject>
   <dc:description>Employing a particularly suitable higher order symplectic integration
algorithm, we integrate the 1-d nonlinear Schrodinger equation numerically
for solitons moving in external potentials. In particular, we study the
scattering off an interface separating two regions of constant potential. We
find that the soliton can break up into two solitons, eventually accompanied
by radiation of non-solitary waves. Reflection coefficients and inelasticities
are computed as functions of the height of the potential step and of its
steepness.
1 Introduction
Recent years have seen a considerable growth in the interest for nonlinear partial
differential equations with soliton solutions. In particular, the nonlinear
Schrodinger equation (NLSE) and its variants appear in problems drawn from
disciplines as diverse as optics, solid state, particle and plasma physics. There,
the NLSE describes phenomena such as modulational instability of water waves
[1], propagation of heat pulses in anharmonic crystals, ...</dc:description>
   <dc:contributor>The Pennsylvania State University CiteSeer Archives</dc:contributor>
   <dc:publisher>unknown</dc:publisher>
   <dc:date>1996-12-27</dc:date>
   <dc:format>ps</dc:format>
   <dc:identifier>http://citeseer.ist.psu.edu/3.html</dc:identifier>
   <dc:source>http://w3.hlrz.kfa-juelich.de/~helge/JPA.ps.gz</dc:source>
   <dc:language>en</dc:language>
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   <dc:rights>unrestricted</dc:rights>
</oai_citeseer:oai_citeseer>
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<record>
<header>
<identifier>oai:CiteSeerPSU:4</identifier>
<datestamp>1995-06-05</datestamp>
<setSpec>CiteSeerPSUset</setSpec>
</header>
<metadata>
<oai_citeseer:oai_citeseer xmlns:oai_citeseer="http://copper.ist.psu.edu/oai/oai_citeseer/" xmlns:dc ="http://purl.org/dc/elements/1.1/" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://copper.ist.psu.edu/oai/oai_citeseer/ http://copper.ist.psu.edu/oai/oai_citeseer.xsd ">
   <dc:title>Exploration Bonuses and Dual Control</dc:title>
   <oai_citeseer:author name="Peter Dayan">
      <address>E25-201 , MIT PO Box 85800; Cambridge , MA 02139 San Diego , CA 92186-5800</address>
      <affiliation>Center for Biological and Computational Learning Howard Hughes Medical Institute; Department of Brain and Cognitive Sciences The Salk Institute</affiliation>
   </oai_citeseer:author>
   <oai_citeseer:author name="Terrence J Sejnowski">
      <address>E25-201 , MIT PO Box 85800; Cambridge , MA 02139 San Diego , CA 92186-5800</address>
      <affiliation>Center for Biological and Computational Learning Howard Hughes Medical Institute; Department of Brain and Cognitive Sciences The Salk Institute</affiliation>
   </oai_citeseer:author>
   <dc:subject>Peter Dayan,Terrence J Sejnowski Exploration Bonuses and Dual Control</dc:subject>
   <dc:description>Finding the Bayesian balance between exploration and exploitation in adaptive
optimal control is in general intractable. This paper shows how to compute suboptimal
estimates based on a certainty equivalence approximation arising from a form of
dual control. This systematizes and extends existing uses of exploration bonuses in
reinforcement learning (Sutton, 1990). The approach has two components: a statistical
model of uncertainty in the world and a way of turning this into exploratory behaviour.
It is applied to two-dimensional mazes with moveable barriers.
1 Introduction
Reinforcement learning techniques are often applied in problems whose challenge stems
from the ignorance of the solvers about the nature of their environments. For instance, an
agent running around a maze might not know where the goal is, where the boundaries
are, where the barriers are, or whether any of these have changed over time. The optimal
control for such problems has a `dual' nature (Fe'ldbaum, 1965). The ag...</dc:description>
   <dc:contributor>The Pennsylvania State University CiteSeer Archives</dc:contributor>
   <dc:publisher>unknown</dc:publisher>
   <dc:date>1995-06-05</dc:date>
   <dc:format>ps</dc:format>
   <dc:identifier>http://citeseer.ist.psu.edu/4.html</dc:identifier>
   <dc:source>ftp://ftp.cs.toronto.edu/pub/dayan/exp.ps.Z</dc:source>
   <dc:language>en</dc:language>
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<header>
<identifier>oai:CiteSeerPSU:5</identifier>
<datestamp>1970-01-01</datestamp>
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   <dc:title>Daily management of an earth observation satellite: comparison of ILOG Solver with dedicated algorithms for Valued Constraint Satisfaction Problems</dc:title>
   <oai_citeseer:author name="Michel Lemaitre">
      <address>Edouard Belin -- BP 4025 --; 31055 Toulouse cedex 4 -- France</address>
   </oai_citeseer:author>
   <dc:subject>Michel Lemaitre Daily management of an earth observation satellite: comparison of ILOG Solver with dedicated algorithms for Valued Constraint Satisfaction Problems</dc:subject>
   <dc:description>The daily management of an earth observation satellite like Spot is
a difficult combinatorial optimization problem. A simplified form of this
problem can be stated as follows : given (1) a set of candidate photographs
for the next day, each one associated with a weight reflecting its importance,
(2) a set of imperative constraints expressing physical limitations
(non overlapping of photographs, respect of camera transition times, limitation
of the instantaneous data flow), select a subset of candidates which
meets all the constraints and which maximizes the sum of the weights of
the selected candidates. This problem can be stated as a Valued Constraint
Satisfaction Problem, a general framework for which our team has
developed a powerful set of algorithms. This paper reports an experiment
the aim of which was (1) to evaluate the ease with which this problem can
be expressed with ILOG Solver, and (2) to compare the resolution performances
obtained with ILOG Solver and with dedicated VCSP...</dc:description>
   <dc:contributor>The Pennsylvania State University CiteSeer Archives</dc:contributor>
   <dc:publisher>unknown</dc:publisher>
   <dc:date>1970-01-01</dc:date>
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<header>
<identifier>oai:CiteSeerPSU:6</identifier>
<datestamp>1998-05-24</datestamp>
<setSpec>CiteSeerPSUset</setSpec>
</header>
<metadata>
<oai_citeseer:oai_citeseer xmlns:oai_citeseer="http://copper.ist.psu.edu/oai/oai_citeseer/" xmlns:dc ="http://purl.org/dc/elements/1.1/" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://copper.ist.psu.edu/oai/oai_citeseer/ http://copper.ist.psu.edu/oai/oai_citeseer.xsd ">
   <dc:title>Hierarchical MRF Modeling For Sonar Picture Segmentation</dc:title>
   <dc:subject> Hierarchical MRF Modeling For Sonar Picture Segmentation</dc:subject>
   <dc:description>This paper deals with sonar image segmentation based
on a hierarchical markovian modelization.
This model takes into account both the phenomenon
of speckle noise through Rayleigh's law, and notions of
geometry corresponding to geometric object shadows.
We adopt an 8-connexity neighbourhood in order to
dicriminate geometric and no-geometric shadows. The
Markov Random Field (MRF) are well adapted for this
kind of segmentation where a priori knowledge about
the shapes we are searching is available. We propose
some new results on real sonar pictures obtained with
a multigrid algorithm. The hierarchical modelization
allow to successfully improve the sonar image segmentation
as it will be shown.
1. SHADOW DETECTION IN SONAR
IMAGERY
Because of its high-resolution performance a mine hunting
sonar allows all kinds of objects located on the seabottom
to be vizualized. Their detection, then their
classification (as rocks, wrecks, geometric man-made
objects, . . . ), are based on the study of th...</dc:description>
   <dc:contributor>The Pennsylvania State University CiteSeer Archives</dc:contributor>
   <dc:publisher>unknown</dc:publisher>
   <dc:date>1998-05-24</dc:date>
   <dc:format>ps</dc:format>
   <dc:identifier>http://citeseer.ist.psu.edu/6.html</dc:identifier>
   <dc:source>http://www.ecole-navale.fr/www.gts/collet/articleICIP96.ps</dc:source>
   <dc:language>en</dc:language>
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</oai_citeseer:oai_citeseer>
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<record>
<header>
<identifier>oai:CiteSeerPSU:7</identifier>
<datestamp>1998-10-02</datestamp>
<setSpec>CiteSeerPSUset</setSpec>
</header>
<metadata>
<oai_citeseer:oai_citeseer xmlns:oai_citeseer="http://copper.ist.psu.edu/oai/oai_citeseer/" xmlns:dc ="http://purl.org/dc/elements/1.1/" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://copper.ist.psu.edu/oai/oai_citeseer/ http://copper.ist.psu.edu/oai/oai_citeseer.xsd ">
   <dc:title>An Analytical Evaluation of Static Coupling Measures for Domain Object Classes</dc:title>
   <oai_citeseer:author name="Geert Poels">
      <address>Katholieke Universiteit Leuven; Naamsestraat 69 B-3000 Leuven , Belgium</address>
      <affiliation>Research Assistant of the Fund for Scientific Research -- Flanders; Department of Applied Economic Sciences</affiliation>
   </oai_citeseer:author>
   <dc:subject>Geert Poels An Analytical Evaluation of Static Coupling Measures for Domain Object Classes</dc:subject>
   <dc:description>We present a set of static coupling measures for
domain object classes. Although these measures
do not directly measure the external quality of an
OO software system, they might be useful as early
indicators of high-risk components of the system.
In this paper we focus on the analytical evaluation
of the measures using a well-known set of generic
coupling properties.
1. INTRODUCTION
Whereas software users are primarily interested in
quality attributes such as for instance defined in
the ISO 9126 standard (i.e., functionality, reliability,
efficiency, usability, maintainability, portability),
these are external software product attributes that
can only be evaluated with respect to how the
software product relates to its environment. During
software development software products are
mostly isolated from the user environment.
Therefore, most software quality models are based
on the `axiom' of software engineering [10, p. 151]:
internal structure &#222; external quality
Internal structure attr...</dc:description>
   <dc:contributor>The Pennsylvania State University CiteSeer Archives</dc:contributor>
   <dc:publisher>unknown</dc:publisher>
   <dc:date>1998-10-02</dc:date>
   <dc:format>ps</dc:format>
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   <dc:source>http://www.econ.kuleuven.ac.be/tew/academic/infosys/Members/Snoeck/ECOOP98-OOPM.ps</dc:source>
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<record>
<header>
<identifier>oai:CiteSeerPSU:8</identifier>
<datestamp>1998-10-28</datestamp>
<setSpec>CiteSeerPSUset</setSpec>
</header>
<metadata>
<oai_citeseer:oai_citeseer xmlns:oai_citeseer="http://copper.ist.psu.edu/oai/oai_citeseer/" xmlns:dc ="http://purl.org/dc/elements/1.1/" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://copper.ist.psu.edu/oai/oai_citeseer/ http://copper.ist.psu.edu/oai/oai_citeseer.xsd ">
   <dc:title>A Partial Approach to the Problem of Deadlocks in Processes With Resources</dc:title>
   <dc:subject> A Partial Approach to the Problem of Deadlocks in Processes With Resources</dc:subject>
   <dc:description>In the modeling and control of manufacturing systems one of the aims is to obtain a system
that can run in an automatic way. This means that the software in charge of the monitoring and
control of the system must be able to deal with a set of problematic situations (system failures,
system deadlocks, overflow of storing facilities, etc.). In this paper we are going to concentrate
on one of the previous problems: the deadlock problem. Deadlock problems are very usual in
concurrent system where, even if the execution of each process is correct, the competition of a set
of processes for the same set of resources can give rise to deadlocks. This problem is very common
to all the environments where processes share resources (or communicate via messages): databases,
operating systems, manufacturing systems, etc. The present work focuses on the deadlock problem
for a class of systems that appears in Flexible Manufacturing Systems (FMS) environments. We
are going to identify a class of nets th...</dc:description>
   <dc:contributor>The Pennsylvania State University CiteSeer Archives</dc:contributor>
   <dc:publisher>unknown</dc:publisher>
   <dc:date>1998-10-28</dc:date>
   <dc:format>ps</dc:format>
   <dc:identifier>http://citeseer.ist.psu.edu/8.html</dc:identifier>
   <dc:source>http://www.cps.unizar.es/~ftricas/GISIRR9705.ps.gz</dc:source>
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<header>
<identifier>oai:CiteSeerPSU:9</identifier>
<datestamp>1997-12-17</datestamp>
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<oai_citeseer:oai_citeseer xmlns:oai_citeseer="http://copper.ist.psu.edu/oai/oai_citeseer/" xmlns:dc ="http://purl.org/dc/elements/1.1/" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://copper.ist.psu.edu/oai/oai_citeseer/ http://copper.ist.psu.edu/oai/oai_citeseer.xsd ">
   <dc:title>Conjunctive Query Containment in Description Logics with n-ary Relations</dc:title>
   <dc:subject> Conjunctive Query Containment in Description Logics with n-ary Relations</dc:subject>
   <dc:description>Recent research points out that query containment
is a central problem in several
database and knowledge base applications, including
data warehousing, data integration,
query optimization, and (materialized) view
maintenance. In this paper we present a decision
procedure for containment of conjunctive
queries defined over a database schema
specified in a very expressive description logic,
comprising n-ary relations and general inclusion
axioms on both concepts and relations.
1 Introduction
Query containment is the problem of checking whether
for every data (or knowledge) base, the result of one
query is always a subset of the result of another query.
Many recent papers point out that query containment
is a central problem in several database and knowledge
base applications, including data warehousing, data integration,
query optimization, (materialized) view maintenance,
etc. (see for example [11, 1, 10]).
The issue of developing algorithms for query containment
has been addressed b...</dc:description>
   <dc:contributor>The Pennsylvania State University CiteSeer Archives</dc:contributor>
   <dc:publisher>unknown</dc:publisher>
   <dc:date>1997-12-17</dc:date>
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   <dc:identifier>http://citeseer.ist.psu.edu/9.html</dc:identifier>
   <dc:source>http://www.dis.uniroma1.it/pub/calvanese/calv-degi-lenz-DL-97.ps.gz</dc:source>
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<header>
<identifier>oai:CiteSeerPSU:10</identifier>
<datestamp>1998-07-02</datestamp>
<setSpec>CiteSeerPSUset</setSpec>
</header>
<metadata>
<oai_citeseer:oai_citeseer xmlns:oai_citeseer="http://copper.ist.psu.edu/oai/oai_citeseer/" xmlns:dc ="http://purl.org/dc/elements/1.1/" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://copper.ist.psu.edu/oai/oai_citeseer/ http://copper.ist.psu.edu/oai/oai_citeseer.xsd ">
   <dc:title>Optimized Software Synthesis for Digital Signal Processing Algorithms -- An Evolutionary Approach</dc:title>
   <oai_citeseer:author name="Eckart Zitzler">
      <address>Gloriastrasse 35 , CH-8092 Zurich; Switzerland</address>
      <affiliation>Computer Engineering and Communication Networks Lab (TIK); Swiss Federal Institute of Technology (ETH)</affiliation>
   </oai_citeseer:author>
   <oai_citeseer:author name="Jurgen Teich">
      <address>Gloriastrasse 35 , CH-8092 Zurich; Switzerland</address>
      <affiliation>Computer Engineering and Communication Networks Lab (TIK); Swiss Federal Institute of Technology (ETH)</affiliation>
   </oai_citeseer:author>
   <oai_citeseer:author name="Shuvra S. Bhattacharyya">
      <address>College Park MD 20742</address>
      <affiliation>Department of Electrical Engineering , and; Institute for Advanced Computer Studies (UMIACS); University of Maryland</affiliation>
   </oai_citeseer:author>
   <dc:subject>Eckart Zitzler,Jurgen Teich,Shuvra S. Bhattacharyya Optimized Software Synthesis for Digital Signal Processing Algorithms -- An Evolutionary Approach</dc:subject>
   <dc:description>This paper addresses the problem of trading-off between the minimization of program
and data memory requirements of single-processor implementations of dataflow
programs. Based on the formal model of synchronous data flow (SDF) graphs
[ LM87 ] , so called single appearance schedules are known to be program-memory
optimal. Among these schedules, buffer memory schedules are investigated and
explored based on a two-step approach: (1) An Evolutionary Algorithm (EA) is
applied to efficiently explore the (in general) exponential search space of actor firing
orders. (2) For each order, the buffer costs are evaluated by applying a dynamic programming
post-optimization step (GDPPO). This iterative approach is compared
to existing heuristics for buffer memory optimization.
Chapter 1
Introduction
Dataflow specifications are widespread in areas of digital signal and image processing.
In dataflow, a specification consists of a directed graph in which the nodes
represent computations and the arcs ...</dc:description>
   <dc:contributor>The Pennsylvania State University CiteSeer Archives</dc:contributor>
   <dc:publisher>unknown</dc:publisher>
   <dc:date>1998-07-02</dc:date>
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<record>
<header>
<identifier>oai:CiteSeerPSU:11</identifier>
<datestamp>1997-04-10</datestamp>
<setSpec>CiteSeerPSUset</setSpec>
</header>
<metadata>
<oai_citeseer:oai_citeseer xmlns:oai_citeseer="http://copper.ist.psu.edu/oai/oai_citeseer/" xmlns:dc ="http://purl.org/dc/elements/1.1/" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://copper.ist.psu.edu/oai/oai_citeseer/ http://copper.ist.psu.edu/oai/oai_citeseer.xsd ">
   <dc:title>Learning Planning Operators by Observation and Practice</dc:title>
   <oai_citeseer:author name="Xuemei Wang">
      <address>Pittsburgh , PA 15213</address>
      <affiliation>School of Computer Science; Carnegie Mellon University</affiliation>
   </oai_citeseer:author>
   <dc:subject>Xuemei Wang Learning Planning Operators by Observation and Practice</dc:subject>
   <dc:description>The work described in this paper addresses learning
planning operators by observing expert agents and subsequent
knowledge refinement in a learning-by-doing
paradigm. The observations of the expert agent consist
of: 1) the sequence of actions being executed,
2) the state in which each action is executed, and 3)
the state resulting from the execution of each action.
Planning operators are learned from these observation
sequences in an incremental fashion utilizing a
conservative specific-to-general inductive generalization
process. In order to refine the new operators
to make them correct and complete, the system uses
the new operators to solve practice problems, analyzing
and learning from the execution traces of the resulting
solutions or execution failures. We describe
techniques for planning and plan repair with incorrect
and incomplete domain knowledge, and for operator
refinement through a process which integrates
planning, execution, and plan repair. Our learning
method is implem...</dc:description>
   <dc:contributor>The Pennsylvania State University CiteSeer Archives</dc:contributor>
   <dc:publisher>unknown</dc:publisher>
   <dc:date>1997-04-10</dc:date>
   <dc:format>ps</dc:format>
   <dc:identifier>http://citeseer.ist.psu.edu/11.html</dc:identifier>
   <dc:source>http://www.rpal.rockwell.com/~mei/aips94.ps</dc:source>
   <dc:language>en</dc:language>
   <oai_citeseer:relation type="Is Referenced By">
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   <oai_citeseer:relation type="Is Referenced By">
      <oai_citeseer:uri>oai:CiteSeerPSU:52174</oai_citeseer:uri>
   </oai_citeseer:relation>
   <oai_citeseer:relation type="Is Referenced By">
      <oai_citeseer:uri>oai:CiteSeerPSU:353475</oai_citeseer:uri>
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      <oai_citeseer:uri>oai:CiteSeerPSU:27417</oai_citeseer:uri>
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      <oai_citeseer:uri>oai:CiteSeerPSU:2</oai_citeseer:uri>
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      <oai_citeseer:uri>oai:CiteSeerPSU:181887</oai_citeseer:uri>
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   <dc:rights>unrestricted</dc:rights>
</oai_citeseer:oai_citeseer>
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<record>
<header>
<identifier>oai:CiteSeerPSU:12</identifier>
<datestamp>1997-08-14</datestamp>
<setSpec>CiteSeerPSUset</setSpec>
</header>
<metadata>
<oai_citeseer:oai_citeseer xmlns:oai_citeseer="http://copper.ist.psu.edu/oai/oai_citeseer/" xmlns:dc ="http://purl.org/dc/elements/1.1/" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://copper.ist.psu.edu/oai/oai_citeseer/ http://copper.ist.psu.edu/oai/oai_citeseer.xsd ">
   <dc:title>Low Latency Word Serial CORDIC</dc:title>
   <oai_citeseer:author name="J. Villalba">
      <address>C. Tecnologico . PO Box 4114 . E-29080 Malaga . Spain</address>
      <affiliation>University of Malaga; Department of Computer Architecture</affiliation>
   </oai_citeseer:author>
   <oai_citeseer:author name="Julio Villalba">
      <address>SPAIN</address>
      <affiliation>Dept . Computer Architecture , University of Malaga</affiliation>
   </oai_citeseer:author>
   <oai_citeseer:author name="T. Lang">
      <address>C. Tecnologico . PO Box 4114 . E-29080 Malaga . Spain</address>
      <affiliation>University of Malaga; Department of Computer Architecture</affiliation>
   </oai_citeseer:author>
   <dc:subject>J. Villalba,Julio Villalba,T. Lang Low Latency Word Serial CORDIC</dc:subject>
   <dc:description>In this paper we present a modification of the CORDIC algorithm which reduces the number
of iterations almost to half by merging two successive iterations of the basic algorithm. The two
coefficients per iteration are obtained with only a small increase in the cycle time by estimating one
of the coefficients. A correcting iteration method is used to correct the possible errors produced by
the estimate. Moreover, the modified iteration permits the reduction of the number of cycles required
for the compensation of the scaling factor. The resulting architecture is word serial, working both
in rotation and vectoring operation modes, presenting a low latency in comparison with the classical
CORDIC approach.
1: Introduction
The CORDIC algorithm (COordinate Rotation DIgital Computer) was introduced to compute
trigonometric functions and generalized to compute linear and hyperbolic functions [10][11]. Moreover,
it is effective in performing rotations. It is an iterative algorithm suitable for...</dc:description>
   <dc:contributor>The Pennsylvania State University CiteSeer Archives</dc:contributor>
   <dc:publisher>unknown</dc:publisher>
   <dc:date>1997-08-14</dc:date>
   <dc:format>ps</dc:format>
   <dc:identifier>http://citeseer.ist.psu.edu/12.html</dc:identifier>
   <dc:source>ftp://ftp.ac.uma.es/pub/reports/1997/UMA-DAC-97-05.ps.gz</dc:source>
   <dc:language>en</dc:language>
   <oai_citeseer:relation type="References">
      <oai_citeseer:uri>oai:CiteSeerPSU:151092</oai_citeseer:uri>
   </oai_citeseer:relation>
   <oai_citeseer:relation type="References">
      <oai_citeseer:uri>oai:CiteSeerPSU:187641</oai_citeseer:uri>
   </oai_citeseer:relation>
   <oai_citeseer:relation type="References">
      <oai_citeseer:uri>oai:CiteSeerPSU:12</oai_citeseer:uri>
   </oai_citeseer:relation>
   <oai_citeseer:relation type="Is Referenced By">
      <oai_citeseer:uri>oai:CiteSeerPSU:2</oai_citeseer:uri>
   </oai_citeseer:relation>
   <dc:rights>unrestricted</dc:rights>
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<record>
<header>
<identifier>oai:CiteSeerPSU:13</identifier>
<datestamp>1998-04-10</datestamp>
<setSpec>CiteSeerPSUset</setSpec>
</header>
<metadata>
<oai_citeseer:oai_citeseer xmlns:oai_citeseer="http://copper.ist.psu.edu/oai/oai_citeseer/" xmlns:dc ="http://purl.org/dc/elements/1.1/" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://copper.ist.psu.edu/oai/oai_citeseer/ http://copper.ist.psu.edu/oai/oai_citeseer.xsd ">
   <dc:title>Toward a Plan Steering Agent: Experiments with Schedule Maintenance</dc:title>
   <oai_citeseer:author name="Paul R. Cohen">
      <address>Amherst , MA 01003</address>
      <affiliation>Experimental Knowledge Systems Laboratory; Department of Computer Science; University of Massachusetts</affiliation>
   </oai_citeseer:author>
   <oai_citeseer:author name="Tim Oates">
      <address>Amherst , MA 01003</address>
      <affiliation>Experimental Knowledge Systems Laboratory; Department of Computer Science; University of Massachusetts</affiliation>
   </oai_citeseer:author>
   <dc:subject>Paul R. Cohen,Tim Oates Toward a Plan Steering Agent: Experiments with Schedule Maintenance</dc:subject>
   <dc:description>When a plan involves hundreds or thousands of events over time
it can be difficult or impossible to tell whether those events are unfolding
"according to plan" and to assess the impact of dynamic plan
modifications. Pathological states may arise in which goals cannot be
attained or are attained too slowly. Plan steering is an agent-based
approach to this problem. The agent monitors an unfolding plan, detects
and predicts pathological situations, and develops dynamic plan
modifications that will steer the plan around the problem. We present
results for such a system that performs the related task of schedule
maintenance in the transportation planning domain. The agent uses
limited domain knowledge and simple heuristics and is able to improve
throughput significantly.
0
This research is supported by ARPA-AFOSR contract F30602-91-C-0076.
2
1 Introduction
The world in which we operate is tremendously complex and unpredictable.
These two factors conspire to make management of a wide v...</dc:description>
   <dc:contributor>The Pennsylvania State University CiteSeer Archives</dc:contributor>
   <dc:publisher>unknown</dc:publisher>
   <dc:date>1998-04-10</dc:date>
   <dc:format>ps</dc:format>
   <dc:identifier>http://citeseer.ist.psu.edu/13.html</dc:identifier>
   <dc:source>http://www-eksl.cs.umass.edu/papers/94-02.ps</dc:source>
   <dc:language>en</dc:language>
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      <oai_citeseer:uri>oai:CiteSeerPSU:52174</oai_citeseer:uri>
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      <oai_citeseer:uri>oai:CiteSeerPSU:315601</oai_citeseer:uri>
   </oai_citeseer:relation>
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      <oai_citeseer:uri>oai:CiteSeerPSU:2</oai_citeseer:uri>
   </oai_citeseer:relation>
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      <oai_citeseer:uri>oai:CiteSeerPSU:181887</oai_citeseer:uri>
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   <dc:rights>unrestricted</dc:rights>
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<record>
<header>
<identifier>oai:CiteSeerPSU:14</identifier>
<datestamp>1998-05-11</datestamp>
<setSpec>CiteSeerPSUset</setSpec>
</header>
<metadata>
<oai_citeseer:oai_citeseer xmlns:oai_citeseer="http://copper.ist.psu.edu/oai/oai_citeseer/" xmlns:dc ="http://purl.org/dc/elements/1.1/" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://copper.ist.psu.edu/oai/oai_citeseer/ http://copper.ist.psu.edu/oai/oai_citeseer.xsd ">
   <dc:title>Possessive Affixes and Complement Composition</dc:title>
   <oai_citeseer:author name="Dimitra Kolliakou">
   </oai_citeseer:author>
   <dc:subject>Dimitra Kolliakou Possessive Affixes and Complement Composition</dc:subject>
   <dc:description>A long-standing issue in the literature on clitics, namely, whether they can
be best analysed as affixes or syntactically autonomous words (postlexical
clitics), is here addressed with respect to the Modern Greek `weak form'
possessive pronoun. It is argued that distributional and phonological evidence
strongly support an affixal analysis. Apparent difficulties for extending
to possessive affixes an HPSG account that has been previously employed
for pronominal affixation in Romance VP are overcome, and a composition
approach is proposed -- one which takes a categorial grammar approach to
adjectives and treats them as heads in NP, and does not require flat NP
structures that lack independent motivation in Modern Greek.
1 Introduction
A long-standing problem in the literature on clitics has been the issue of whether
they can be best analysed as affixes or as syntactically autonomous words. According
to one proposal, cf. e.g. Anderson (1992), all `clitics' are phrasal affixes
and should...</dc:description>
   <dc:contributor>The Pennsylvania State University CiteSeer Archives</dc:contributor>
   <dc:publisher>unknown</dc:publisher>
   <dc:date>1998-05-11</dc:date>
   <dc:format>ps</dc:format>
   <dc:identifier>http://citeseer.ist.psu.edu/14.html</dc:identifier>
   <dc:source>http://grid.let.rug.nl/~kersten/kolliakou.ps</dc:source>
   <dc:language>en</dc:language>
   <oai_citeseer:relation type="References">
      <oai_citeseer:uri>oai:CiteSeerPSU:347628</oai_citeseer:uri>
   </oai_citeseer:relation>
   <oai_citeseer:relation type="References">
      <oai_citeseer:uri>oai:CiteSeerPSU:72558</oai_citeseer:uri>
   </oai_citeseer:relation>
   <oai_citeseer:relation type="References">
      <oai_citeseer:uri>oai:CiteSeerPSU:43009</oai_citeseer:uri>
   </oai_citeseer:relation>
   <oai_citeseer:relation type="References">
      <oai_citeseer:uri>oai:CiteSeerPSU:64366</oai_citeseer:uri>
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   </oai_citeseer:relation>
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      <oai_citeseer:uri>oai:CiteSeerPSU:362061</oai_citeseer:uri>
   </oai_citeseer:relation>
   <oai_citeseer:relation type="Is Referenced By">
      <oai_citeseer:uri>oai:CiteSeerPSU:12741</oai_citeseer:uri>
   </oai_citeseer:relation>
   <oai_citeseer:relation type="Is Referenced By">
      <oai_citeseer:uri>oai:CiteSeerPSU:2</oai_citeseer:uri>
   </oai_citeseer:relation>
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      <oai_citeseer:uri>oai:CiteSeerPSU:60005</oai_citeseer:uri>
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   <dc:rights>unrestricted</dc:rights>
</oai_citeseer:oai_citeseer>
</metadata>
</record>

<record>
<header>
<identifier>oai:CiteSeerPSU:15</identifier>
<datestamp>1998-05-23</datestamp>
<setSpec>CiteSeerPSUset</setSpec>
</header>
<metadata>
<oai_citeseer:oai_citeseer xmlns:oai_citeseer="http://copper.ist.psu.edu/oai/oai_citeseer/" xmlns:dc ="http://purl.org/dc/elements/1.1/" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://copper.ist.psu.edu/oai/oai_citeseer/ http://copper.ist.psu.edu/oai/oai_citeseer.xsd ">
   <dc:title>Decomposition of Representations of CAR Induced by Bogoliubov Endomorphisms</dc:title>
   <oai_citeseer:author name="Jens Bockenhauer">
      <address>Luruper Chaussee 149 , D-22761 Hamburg</address>
      <affiliation>II. Institut fur Theoretische Physik , Universitat Hamburg</affiliation>
   </oai_citeseer:author>
   <dc:subject>Jens Bockenhauer Decomposition of Representations of CAR Induced by Bogoliubov Endomorphisms</dc:subject>
   <dc:description>In a Fock representation, a non-surjective Bogoliubov transformation of CAR leads to a reducible
representation. For the case that the corresponding Bogoliubov operator has finite corank, the
decomposition into irreducible subrepresentations is clarified. In particular, it turns out that the
number of appearing subrepresentations is completely determined by the corank.
1 Introduction
Unitary i.e. surjective Bogoliubov operators U correspond to Bogoliubov automorphisms % U of the
canonical anticommutation relations (CAR). In a Fock representation &#223; P , Bogoliubov automorphisms
lead to irreducible representations. More precisely, the representation &#223; P ffi % U is again a Fock representation.
The unitary equivalence class of &#223; P ffi % U is in a certain way classifiable by the operator
U
PU [1, 2, 3].
Here we study Bogoliubov endomorphisms % V , where V is a non-surjective Bogoliubov operator.
Throughout this paper, we consider a separable, infinite dimensional Hilbert space K with co...</dc:description>
   <dc:contributor>The Pennsylvania State University CiteSeer Archives</dc:contributor>
   <dc:publisher>unknown</dc:publisher>
   <dc:date>1998-05-23</dc:date>
   <dc:format>ps</dc:format>
   <dc:identifier>http://citeseer.ist.psu.edu/15.html</dc:identifier>
   <dc:source>http://preprints.cern.ch/archive/electronic/hep-th/9410/9410017.ps.gz</dc:source>
   <dc:language>en</dc:language>
   <oai_citeseer:relation type="Is Referenced By">
      <oai_citeseer:uri>oai:CiteSeerPSU:29000</oai_citeseer:uri>
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   <oai_citeseer:relation type="Is Referenced By">
      <oai_citeseer:uri>oai:CiteSeerPSU:146986</oai_citeseer:uri>
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   <oai_citeseer:relation type="Is Referenced By">
      <oai_citeseer:uri>oai:CiteSeerPSU:154288</oai_citeseer:uri>
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   <oai_citeseer:relation type="Is Referenced By">
      <oai_citeseer:uri>oai:CiteSeerPSU:173429</oai_citeseer:uri>
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      <oai_citeseer:uri>oai:CiteSeerPSU:2</oai_citeseer:uri>
   </oai_citeseer:relation>
   <dc:rights>unrestricted</dc:rights>
</oai_citeseer:oai_citeseer>
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<record>
<header>
<identifier>oai:CiteSeerPSU:16</identifier>
<datestamp>1997-09-24</datestamp>
<setSpec>CiteSeerPSUset</setSpec>
</header>
<metadata>
<oai_citeseer:oai_citeseer xmlns:oai_citeseer="http://copper.ist.psu.edu/oai/oai_citeseer/" xmlns:dc ="http://purl.org/dc/elements/1.1/" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://copper.ist.psu.edu/oai/oai_citeseer/ http://copper.ist.psu.edu/oai/oai_citeseer.xsd ">
   <dc:title>Kinetics of a Model Weakly Ionized Plasma in the Presence of Multiple Equilibria</dc:title>
   <oai_citeseer:author name="And A. Rokhlenko">
   </oai_citeseer:author>
   <oai_citeseer:author name="E. Carlen">
   </oai_citeseer:author>
   <oai_citeseer:author name="J. L. Lebowitz">
   </oai_citeseer:author>
   <oai_citeseer:author name="R. Esposito">
   </oai_citeseer:author>
   <oai_citeseer:author name="R. Marra">
   </oai_citeseer:author>
   <dc:subject>And A. Rokhlenko,E. Carlen,J. L. Lebowitz,R. Esposito,R. Marra Kinetics of a Model Weakly Ionized Plasma in the Presence of Multiple Equilibria</dc:subject>
   <dc:description>:
We study, globaly in time, the velocity distribution f(v; t) of a spatially homogeneous
system that models a system of electrons in a weakly ionized plasma,
subjected to a constant external electric field E. The density f satisfies a Boltzmann
type kinetic equation containing a full nonlinear electron-electron collision
term as well as linear terms representing collisions with reservoir particles having
a specified Maxwellian distribution. We show that when the constant in front
of the nonlinear collision kernel, thought of as a scaling parameter, is sufficiently
strong, then the L
1
distance between f and a certain time dependent Maxwellian
stays small uniformly in t. Moreover, the mean and variance of this time dependent
Maxwellian satisfy a coupled set of nonlinear ODE's that constitute the
"hydrodynamical" equations for this kinetic system. This remain true even when
these ODE's have non-unique equilibria, thus proving the existence of multiple
stabe stationary solutions for t...</dc:description>
   <dc:contributor>The Pennsylvania State University CiteSeer Archives</dc:contributor>
   <dc:publisher>unknown</dc:publisher>
   <dc:date>1997-09-24</dc:date>
   <dc:format>ps</dc:format>
   <dc:identifier>http://citeseer.ist.psu.edu/16.html</dc:identifier>
   <dc:source>http://mpej.unige.ch/mp_arc/html/html/c/97/97-519.ps.gz</dc:source>
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      <oai_citeseer:uri>oai:CiteSeerPSU:154288</oai_citeseer:uri>
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      <oai_citeseer:uri>oai:CiteSeerPSU:2</oai_citeseer:uri>
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   <dc:rights>unrestricted</dc:rights>
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<header>
<identifier>oai:CiteSeerPSU:17</identifier>
<datestamp>1996-12-11</datestamp>
<setSpec>CiteSeerPSUset</setSpec>
</header>
<metadata>
<oai_citeseer:oai_citeseer xmlns:oai_citeseer="http://copper.ist.psu.edu/oai/oai_citeseer/" xmlns:dc ="http://purl.org/dc/elements/1.1/" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://copper.ist.psu.edu/oai/oai_citeseer/ http://copper.ist.psu.edu/oai/oai_citeseer.xsd ">
   <dc:title>Performance Comparison Of Video Transport Over ATM ServerNet Interconnects</dc:title>
   <oai_citeseer:author name="Ashfaq Hossain">
      <address>, Cupertino , California.</address>
      <affiliation>Depts of Electrical Computer Engineering and Computer Science,; University of Illinois at Urbana-Champaign , Urbana , Illinois.; Tandem Computers Inc</affiliation>
   </oai_citeseer:author>
   <oai_citeseer:author name="Bob Horst">
      <address>, Cupertino , California.</address>
      <affiliation>Depts of Electrical Computer Engineering and Computer Science,; University of Illinois at Urbana-Champaign , Urbana , Illinois.; Tandem Computers Inc</affiliation>
   </oai_citeseer:author>
   <oai_citeseer:author name="Sung-mo Kang">
      <address>, Cupertino , California.</address>
      <affiliation>Depts of Electrical Computer Engineering and Computer Science,; University of Illinois at Urbana-Champaign , Urbana , Illinois.; Tandem Computers Inc</affiliation>
   </oai_citeseer:author>
   <dc:subject>Ashfaq Hossain,Bob Horst,Sung-mo Kang Performance Comparison Of Video Transport Over ATM ServerNet Interconnects</dc:subject>
   <dc:description>We have developed fully functional Video Server and Client applications which can transmit, receive, decompress
and display compressed video over various networks. Our video transport allows dynamic rate control
feedback, loss detection and repair request from Clients to the Server. Our experiments show how feedbackbefore
-degradation scheme for rate adaptation maintains desired QoS for video playback. We demonstrate
how the playback degradation occurs and what happens if corrective measures are not taken to improve the
situation. We attribute this degradation to increased internal kernel buffering which consumes scarce CPU
resource. While comparing the ATM performance of our video applications with that of ServerNet, we observe
that ServerNet, which provides improved hardware delivery guarantees, can significantly reduce host
CPU resource consumption serving video streams. We determine the maximum number of streams which can
be served for each of these two interconnects. The appropria...</dc:description>
   <dc:contributor>The Pennsylvania State University CiteSeer Archives</dc:contributor>
   <dc:publisher>unknown</dc:publisher>
   <dc:date>1996-12-11</dc:date>
   <dc:format>ps</dc:format>
   <dc:identifier>http://citeseer.ist.psu.edu/17.html</dc:identifier>
   <dc:source>http://berserk.vlsi.uiuc.edu/people/ashfaq/ieee.mm97.ps</dc:source>
   <dc:language>en</dc:language>
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      <oai_citeseer:uri>oai:CiteSeerPSU:132122</oai_citeseer:uri>
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      <oai_citeseer:uri>oai:CiteSeerPSU:139727</oai_citeseer:uri>
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      <oai_citeseer:uri>oai:CiteSeerPSU:300190</oai_citeseer:uri>
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      <oai_citeseer:uri>oai:CiteSeerPSU:487858</oai_citeseer:uri>
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      <oai_citeseer:uri>oai:CiteSeerPSU:11492</oai_citeseer:uri>
   </oai_citeseer:relation>
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      <oai_citeseer:uri>oai:CiteSeerPSU:23366</oai_citeseer:uri>
   </oai_citeseer:relation>
   <oai_citeseer:relation type="Is Referenced By">
      <oai_citeseer:uri>oai:CiteSeerPSU:3</oai_citeseer:uri>
   </oai_citeseer:relation>
   <dc:rights>unrestricted</dc:rights>
</oai_citeseer:oai_citeseer>
</metadata>
</record>

<record>
<header>
<identifier>oai:CiteSeerPSU:18</identifier>
<datestamp>1997-04-26</datestamp>
<setSpec>CiteSeerPSUset</setSpec>
</header>
<metadata>
<oai_citeseer:oai_citeseer xmlns:oai_citeseer="http://copper.ist.psu.edu/oai/oai_citeseer/" xmlns:dc ="http://purl.org/dc/elements/1.1/" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://copper.ist.psu.edu/oai/oai_citeseer/ http://copper.ist.psu.edu/oai/oai_citeseer.xsd ">
   <dc:title>The System Of Two Spinning Disks In The Torus.</dc:title>
   <oai_citeseer:author name="Maciej P. Wojtkowski">
   </oai_citeseer:author>
   <dc:subject>Maciej P. Wojtkowski The System Of Two Spinning Disks In The Torus.</dc:subject>
   <dc:description>.
We study the system of two spinning disks in the torus. We show how to reduce
this nonhamiltonian system to a 3 dimensional measure preserving reversible map. We
establish that, in contrast to the case of elastic collisions, this system may have periodic
orbits with all Floquet exponents on the unit circle.
We would like to thank Eugene Gutkin and Dave Levermore for helpful and enlightening discussions.
The suggestions of the referee are also gratefully acknowledged.
Typeset by A M S-T E X
x0.Introduction.
The Boltzman-Sinai system of hard balls, or two dimensional disks, moving in a
torus and colliding elastically is nonuniformly hyperbolic ([S], also [S-Ch] and [W1]).
In particular, the measure of the set of quasiperiodic motions is zero.
The elastic collision in such a system ignores the rotational degree of freedom of
the balls. Physically it describes the case of massive particles with finite size but all
the mass concentrated at the center. Broomhead and Gutkin in a recent p...</dc:description>
   <dc:contributor>The Pennsylvania State University CiteSeer Archives</dc:contributor>
   <dc:publisher>unknown</dc:publisher>
   <dc:date>1997-04-26</dc:date>
   <dc:format>ps</dc:format>
   <dc:identifier>http://citeseer.ist.psu.edu/18.html</dc:identifier>
   <dc:source>http://mpej.unige.ch/mp_arc/c/94/94-88.ps.gz</dc:source>
   <dc:language>en</dc:language>
   <oai_citeseer:relation type="Is Referenced By">
      <oai_citeseer:uri>oai:CiteSeerPSU:522929</oai_citeseer:uri>
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      <oai_citeseer:uri>oai:CiteSeerPSU:3</oai_citeseer:uri>
   </oai_citeseer:relation>
   <dc:rights>unrestricted</dc:rights>
</oai_citeseer:oai_citeseer>
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<record>
<header>
<identifier>oai:CiteSeerPSU:19</identifier>
<datestamp>1999-01-29</datestamp>
<setSpec>CiteSeerPSUset</setSpec>
</header>
<metadata>
<oai_citeseer:oai_citeseer xmlns:oai_citeseer="http://copper.ist.psu.edu/oai/oai_citeseer/" xmlns:dc ="http://purl.org/dc/elements/1.1/" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://copper.ist.psu.edu/oai/oai_citeseer/ http://copper.ist.psu.edu/oai/oai_citeseer.xsd ">
   <dc:title>Frames, Objects and Relations: Three Semantic Levels for Knowledge Base Systems</dc:title>
   <oai_citeseer:author name="M. C. Norrie">
      <address>CH-8092 Zurich , Switzerland</address>
      <affiliation>, H.-J. Schek; Dept . of Computer Science , Swiss Federal Institute of Technology (ETH),</affiliation>
   </oai_citeseer:author>
   <oai_citeseer:author name="M. Rys">
      <address>CH-8092 Zurich , Switzerland</address>
      <affiliation>, H.-J. Schek; Dept . of Computer Science , Swiss Federal Institute of Technology (ETH),</affiliation>
   </oai_citeseer:author>
   <oai_citeseer:author name="U. Reimer">
      <address>Swiss Life , Informatik-Forschungsgruppe , CH-8022 Zurich , Switzerland</address>
   </oai_citeseer:author>
   <dc:subject>M. C. Norrie,M. Rys,U. Reimer Frames, Objects and Relations: Three Semantic Levels for Knowledge Base Systems</dc:subject>
   <dc:description>We propose an architecture for large-scale
knowledge base systems based on database
technologies and the three levels of semantic
construct - frames, objects and relations.
The intermediate object level retains
the structural semantics of the frame level
and is therefore beneficial in bridging the
semantic gap between the frame and relational
levels and enabling the use of semantic
information in query optimisation.
Specifically, we outline how this approach
has been adopted in the hybrid knowledge
base system, HYWIBAS.
1 Introduction
For knowledge base systems to be effective for largescale
applications, it is essential that they support
efficient retrieval and update operations on large,
shared knowledge bases. Database system research
has focussed on issues of performance and concurrent
access to large data sets and we wish to exploit
the resulting technologies for the storage and management
of knowledge bases.
Past research in this area has tended to use relational
systems for the...</dc:description>
   <dc:contributor>The Pennsylvania State University CiteSeer Archives</dc:contributor>
   <dc:publisher>unknown</dc:publisher>
   <dc:date>1999-01-29</dc:date>
   <dc:format>ps</dc:format>
   <dc:identifier>http://citeseer.ist.psu.edu/19.html</dc:identifier>
   <dc:source>http://www.globis.ethz.ch/publications/docs/1994d-nrlrs-krdb.ps.gz</dc:source>
   <dc:language>en</dc:language>
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<record>
<header>
<identifier>oai:CiteSeerPSU:20</identifier>
<datestamp>1999-03-17</datestamp>
<setSpec>CiteSeerPSUset</setSpec>
</header>
<metadata>
<oai_citeseer:oai_citeseer xmlns:oai_citeseer="http://copper.ist.psu.edu/oai/oai_citeseer/" xmlns:dc ="http://purl.org/dc/elements/1.1/" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://copper.ist.psu.edu/oai/oai_citeseer/ http://copper.ist.psu.edu/oai/oai_citeseer.xsd ">
   <dc:title>Optimizing ML with Run-Time Code Generation</dc:title>
   <oai_citeseer:author name="Mark Leone">
      <address>Pittsburgh , PA 15213</address>
      <affiliation>School of Computer Science; Carnegie Mellon University</affiliation>
   </oai_citeseer:author>
   <oai_citeseer:author name="Peter Lee">
      <address>Pittsburgh , PA 15213</address>
      <affiliation>School of Computer Science; Carnegie Mellon University</affiliation>
   </oai_citeseer:author>
   <dc:subject>Mark Leone,Peter Lee Optimizing ML with Run-Time Code Generation</dc:subject>
   <dc:description>We describe the design and implementation of a compiler that automatically translates ordinary
programs written in a subset of ML into code that generates native code at run time. Run-time
code generation can make use of values and invariants that cannot be exploited at compile time,
yielding code that is superior to statically optimal code. But the cost of optimizing and generating
code at run time can be prohibitive. We demonstrate how compile-time specialization can reduce
the cost of run-time code generation by an order of magnitude without greatly affecting code
quality. Several benchmark programs are examined, which exhibit an average cost of six cycles per
instruction generated at run time.
The authors' electronic mail addresses are Mark.Leone@cs.cmu.edu and Peter.Lee@cs.cmu.edu.
This research was sponsored in part by the Advanced Research Projects Agency CSTO under the title "The Fox
Project: Advanced Langauges for Systems Software," ARPA Order No. C533, issued by ESC/ENS under...</dc:description>
   <dc:contributor>The Pennsylvania State University CiteSeer Archives</dc:contributor>
   <dc:publisher>unknown</dc:publisher>
   <dc:date>1999-03-17</dc:date>
   <dc:format>ps</dc:format>
   <dc:identifier>http://citeseer.ist.psu.edu/20.html</dc:identifier>
   <dc:source>http://foxnet.cs.cmu.edu/~petel/papers/staged/mleone-pldi96.ps</dc:source>
   <dc:language>en</dc:language>
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<header>
<identifier>oai:CiteSeerPSU:21</identifier>
<datestamp>1970-01-01</datestamp>
<setSpec>CiteSeerPSUset</setSpec>
</header>
<metadata>
<oai_citeseer:oai_citeseer xmlns:oai_citeseer="http://copper.ist.psu.edu/oai/oai_citeseer/" xmlns:dc ="http://purl.org/dc/elements/1.1/" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://copper.ist.psu.edu/oai/oai_citeseer/ http://copper.ist.psu.edu/oai/oai_citeseer.xsd ">
   <dc:title>A Meta-theory for Structured Presentations in the COC</dc:title>
   <oai_citeseer:author name="James Hook">
   </oai_citeseer:author>
   <dc:subject>James Hook A Meta-theory for Structured Presentations in the COC</dc:subject>
   <dc:description>: : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : viii
1 Introduction: Structural Organization of Constructive Logics through
Theory Presentations : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : 1
1.1 The Calculus of Constructions as a language of discourse : : : : : : : : : : 6
1.2 An Example of a Discourse of Theories : : : : : : : : : : : : : : : : : : : : : 9
1.3 Another Example : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : 13
1.4 Thesis Organization : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : 20
2 History : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : 21
2.1 Taxonomic Properties : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : 21
2.2 Specification Languages : : : : : : : : : : : : : : : : : : : : : : : : : : : : : 25
2.3 Higher-Order Logics and Philosophic Issues : : : : : : : : : : : : : : : : : : 27
2.3.1 Development of the notion of types : : ...</dc:description>
   <dc:contributor>The Pennsylvania State University CiteSeer Archives</dc:contributor>
   <dc:publisher>unknown</dc:publisher>
   <dc:date>1970-01-01</dc:date>
   <dc:format>ps</dc:format>
   <dc:identifier>http://citeseer.ist.psu.edu/21.html</dc:identifier>
   <dc:source>ftp://cse.ogi.edu/pub/tech-reports/1997/97-TH-001.ps.gz</dc:source>
   <dc:language>en</dc:language>
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      <oai_citeseer:uri>oai:CiteSeerPSU:25394</oai_citeseer:uri>
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      <oai_citeseer:uri>oai:CiteSeerPSU:281128</oai_citeseer:uri>
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<header>
<identifier>oai:CiteSeerPSU:22</identifier>
<datestamp>1997-02-25</datestamp>
<setSpec>CiteSeerPSUset</setSpec>
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<oai_citeseer:oai_citeseer xmlns:oai_citeseer="http://copper.ist.psu.edu/oai/oai_citeseer/" xmlns:dc ="http://purl.org/dc/elements/1.1/" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://copper.ist.psu.edu/oai/oai_citeseer/ http://copper.ist.psu.edu/oai/oai_citeseer.xsd ">
   <dc:title>Necessary and Sufficient Conditions for Orthonormality of Scaling Vectors</dc:title>
   <oai_citeseer:author name="Gerlind Plonka">
   </oai_citeseer:author>
   <dc:subject>Gerlind Plonka Necessary and Sufficient Conditions for Orthonormality of Scaling Vectors</dc:subject>
   <dc:description>. The paper studies necessary and sufficient orthonormality conditions
for a scaling vector in terms of its two-scale symbol and its corresponding
transfer operator. In particular, it is shown that the conditions of Hogan [10]
for the two-scale symbol and the criteria of Shen [21] for the transfer operator
are equivalent.
1. Introduction
In this paper we shall discuss orthonormality of compactly supported scaling vectors.
These are solutions of functional equations of type
Phi(x) =
N
X
l=0
PP P P l Phi(2x Gamma l) (1)
with real r Theta r coefficient matrices PP P P l (r 2 IN; r 1) and with an r-dimensional
function vector Phi = (OE 1 ; : : : ; OE r )
T
. Equations of the form (1) are called matrix
refinement equations.
If additionally, the functions OE (Delta Gamma l) (l 2 ZZ; = 1; : : : ; r) form an orthonormal
or an L
2
-stable basis of their span, then Phi is called multi-scaling function. In
this case, Phi can generate a multiresolution analysis with multipli...</dc:description>
   <dc:contributor>The Pennsylvania State University CiteSeer Archives</dc:contributor>
   <dc:publisher>unknown</dc:publisher>
   <dc:date>1997-02-25</dc:date>
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<header>
<identifier>oai:CiteSeerPSU:23</identifier>
<datestamp>1997-06-25</datestamp>
<setSpec>CiteSeerPSUset</setSpec>
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   <dc:title>Materialized View Selection in a Multidimensional Database</dc:title>
   <oai_citeseer:author name="Elena Baralis">
   </oai_citeseer:author>
   <oai_citeseer:author name="Ernest Teniente">
      <affiliation>Universitat Polit`ecnica de Catalunya</affiliation>
   </oai_citeseer:author>
   <oai_citeseer:author name="Politecnico Di Torino">
   </oai_citeseer:author>
   <oai_citeseer:author name="Stefano Paraboschi">
      <affiliation>Politecnico di Milano</affiliation>
   </oai_citeseer:author>
   <dc:subject>Elena Baralis,Ernest Teniente,Politecnico Di Torino,Stefano Paraboschi Materialized View Selection in a Multidimensional Database</dc:subject>
   <dc:description>A multidimensional database is a data repository
that supports the efficient execution of
complex business decision queries. Query response
can be significantly improved by storing
an appropriate set of materialized views.
These views are selected from the multidimensional
lattice whose elements represent the solution
space of the problem.
Several techniques have been proposed in the
past to perform the selection of materialized
views for databases with a reduced number
of dimensions. When the number and complexity
of dimensions increase, the proposed
techniques do not scale well.
The technique we are proposing reduces the
solution space by considering only the relevant
elements of the multidimensional lattice. An
additional statistical analysis allows a further
reduction of the solution space.
1 Introduction
A multidimensional database (MDDB) is a data repository
that provides an integrated environment for decision
support queries that require complex aggregations
on huge amounts of...</dc:description>
   <dc:contributor>The Pennsylvania State University CiteSeer Archives</dc:contributor>
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   <dc:date>1997-06-25</dc:date>
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<header>
<identifier>oai:CiteSeerPSU:24</identifier>
<datestamp>1998-04-20</datestamp>
<setSpec>CiteSeerPSUset</setSpec>
</header>
<metadata>
<oai_citeseer:oai_citeseer xmlns:oai_citeseer="http://copper.ist.psu.edu/oai/oai_citeseer/" xmlns:dc ="http://purl.org/dc/elements/1.1/" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://copper.ist.psu.edu/oai/oai_citeseer/ http://copper.ist.psu.edu/oai/oai_citeseer.xsd ">
   <dc:title>Tamagotchis Need Not Die - Verification of STATEMATE Designs</dc:title>
   <oai_citeseer:author name="Gunnar Wittich">
      <address>OFFIS , Escherweg 2 , 26121 Oldenburg , Germany</address>
   </oai_citeseer:author>
   <oai_citeseer:author name="Udo Brockmeyer">
      <address>OFFIS , Escherweg 2 , 26121 Oldenburg , Germany</address>
   </oai_citeseer:author>
   <dc:subject>Gunnar Wittich,Udo Brockmeyer Tamagotchis Need Not Die - Verification of STATEMATE Designs</dc:subject>
   <dc:description>. This paper presents a toolset we built for supporting
verification of Statemate
1
designs. Statemate is a widely used design
tool for embedded control applications. Designs are translated into finite
state machines which are optimized and then verified by symbolic model
checking. To express requirement specifications the visual formalism of
symbolic timing diagrams is used. Their semantics is given by translation
into temporal logic. If the model checker generates a counterexample, it
is retranslated into either a symbolic timing diagram or a stimulus for
the Statemate simulator.
1 Introduction
Growing complexity and wide usage of embedded systems in safety critical
applications raises the demand for proving their correctness. Because verification
with theorem provers [16] is a difficult task even for experts, automatic
verification techniques, in particular model checking [3, 4], are gaining increasing
influence in the development of industrial applications.
In this paper we pres...</dc:description>
   <dc:contributor>The Pennsylvania State University CiteSeer Archives</dc:contributor>
   <dc:publisher>unknown</dc:publisher>
   <dc:date>1998-04-20</dc:date>
   <dc:format>ps</dc:format>
   <dc:identifier>http://citeseer.ist.psu.edu/24.html</dc:identifier>
   <dc:source>http://ca.informatik.uni-oldenburg.de/publications/brockmeyer98a.ps</dc:source>
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<record>
<header>
<identifier>oai:CiteSeerPSU:25</identifier>
<datestamp>1998-04-21</datestamp>
<setSpec>CiteSeerPSUset</setSpec>
</header>
<metadata>
<oai_citeseer:oai_citeseer xmlns:oai_citeseer="http://copper.ist.psu.edu/oai/oai_citeseer/" xmlns:dc ="http://purl.org/dc/elements/1.1/" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://copper.ist.psu.edu/oai/oai_citeseer/ http://copper.ist.psu.edu/oai/oai_citeseer.xsd ">
   <dc:title>Beyond Digital Naturalism</dc:title>
   <oai_citeseer:author name="Gunter Wagner">
   </oai_citeseer:author>
   <oai_citeseer:author name="Leo W. Buss">
      <address>New Haven , CT 06511 USA</address>
      <affiliation>Department of Biology; and; Department of Geology and Geophysics; Yale University</affiliation>
   </oai_citeseer:author>
   <oai_citeseer:author name="Walter Fontana">
      <address>New Haven , CT 06511 USA</address>
      <affiliation>Department of Biology; and; Department of Geology and Geophysics; Yale University</affiliation>
   </oai_citeseer:author>
   <dc:subject>Gunter Wagner,Leo W. Buss,Walter Fontana Beyond Digital Naturalism</dc:subject>
   <dc:description>The success of Artificial Life depends on whether it will help solving the conceptual
problems of biology. Biology may be viewed as the science of the transformation
of organizations. And, yet, biology lacks a theory of organization. We
use this as an example of the challenge that Artificial Life must meet.
"If - as I believe - physics and chemistry are conceptually inadequate
as a theoretical framework for biology, it is because they lack the
concept of function, and hence that of organization. [...] [P]erhaps,
therefore, we should give the [...] computer scientists more of a say in
the formulation of Theoretical Biology."
-- Christopher Longuet-Higgins, 1969 [29]
1 Life and the organization problem in biology
There are two readings of "life": "life" as an embodied phenomenon and "life" as
a concept. Foucault [20] points out that up to the end of the eighteenth century
life does not exist: only living beings. Living beings are but a class in the series
of all things in the world. T...</dc:description>
   <dc:contributor>The Pennsylvania State University CiteSeer Archives</dc:contributor>
   <dc:publisher>unknown</dc:publisher>
   <dc:date>1998-04-21</dc:date>
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<record>
<header>
<identifier>oai:CiteSeerPSU:26</identifier>
<datestamp>1997-09-22</datestamp>
<setSpec>CiteSeerPSUset</setSpec>
</header>
<metadata>
<oai_citeseer:oai_citeseer xmlns:oai_citeseer="http://copper.ist.psu.edu/oai/oai_citeseer/" xmlns:dc ="http://purl.org/dc/elements/1.1/" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://copper.ist.psu.edu/oai/oai_citeseer/ http://copper.ist.psu.edu/oai/oai_citeseer.xsd ">
   <dc:title>Development, Learning and Evolution in Animats</dc:title>
   <oai_citeseer:author name="Jean-arcady Meyer">
      <address>Groupe de BioInformatique - URA 686; 75230 Paris cedex 05 , France</address>
   </oai_citeseer:author>
   <dc:subject>Jean-arcady Meyer Development, Learning and Evolution in Animats</dc:subject>
   <dc:description>This paper successively describes the works of Boers and Kuiper, Vaario, Nolfi and Parisi,
Gruau, and Dellaert and Beer, which all evolve the developmental program of an artificial
nervous system. The potentialities of these approaches for automatically devising a control
architecture linking the perceptions and the actions of an animat are then discussed, together
with their possible contributions to the fundamental issue of assessing the adaptive values of
development, learning and evolution.
Keywords
Development -- Learning -- Evolution -- Animats -- Sensorimotor Control
1 Introduction
An animat [MEYE91a, MEYE92, CLIF94] is an artificial organism - either a simulated animal
or an animal-like robot - the structure and functionalities of which are based substantially on
mechanisms observed in real animals. It is usually equipped with sensors, with actuators, and
with a behavioral control architecture that relates its perceptions to its actions and allows it to
survive in its enviro...</dc:description>
   <dc:contributor>The Pennsylvania State University CiteSeer Archives</dc:contributor>
   <dc:publisher>unknown</dc:publisher>
   <dc:date>1997-09-22</dc:date>
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   <dc:identifier>http://citeseer.ist.psu.edu/26.html</dc:identifier>
   <dc:source>http://www.biologie.ens.fr/fr/animatlab/perso/kodjaba/jkjamperac.ps.gz</dc:source>
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<header>
<identifier>oai:CiteSeerPSU:27</identifier>
<datestamp>1996-09-14</datestamp>
<setSpec>CiteSeerPSUset</setSpec>
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<metadata>
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   <dc:title>dSCAM: Finding Document Copies Across Multiple Databases</dc:title>
   <oai_citeseer:author name="Luis Gravano">
      <address>Stanford , CA 94305-9040 , USA</address>
      <affiliation>Computer Science Department; Stanford University</affiliation>
   </oai_citeseer:author>
   <oai_citeseer:author name="Narayanan Shivakumar">
      <address>Stanford , CA 94305-9040 , USA</address>
      <affiliation>Computer Science Department; Stanford University</affiliation>
   </oai_citeseer:author>
   <dc:subject>Luis Gravano,Narayanan Shivakumar dSCAM: Finding Document Copies Across Multiple Databases</dc:subject>
   <dc:description>The advent of the Internet has made the illegal dissemination
of copyrighted material easy. An important
problem is how to automatically detect when a "new"
digital document is "suspiciously close" to existing ones.
The SCAM project at Stanford University has addressed
this problem when there is a single registered-document
database. However, in practice, text documents may appear
in many autonomous databases, and one would like
to discover copies without having to exhaustively search in
all databases. Our approach, dSCAM, is a distributed version
of SCAM that keeps succinct metainformation about
the contents of the available document databases. Given
a suspicious document S, dSCAM uses its information to
prune all databases that cannot contain any document that
is close enough to S, and hence the search can focus on the
remaining sites. We also study how to query the remaining
databases so as to minimize different querying costs.
We empirically study the pruning and searching schemes,...</dc:description>
   <dc:contributor>The Pennsylvania State University CiteSeer Archives</dc:contributor>
   <dc:publisher>unknown</dc:publisher>
   <dc:date>1996-09-14</dc:date>
   <dc:format>ps</dc:format>
   <dc:identifier>http://citeseer.ist.psu.edu/27.html</dc:identifier>
   <dc:source>http://www-db.stanford.edu/pub/gravano/1996/pdis96.ps</dc:source>
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<header>
<identifier>oai:CiteSeerPSU:28</identifier>
<datestamp>1996-06-24</datestamp>
<setSpec>CiteSeerPSUset</setSpec>
</header>
<metadata>
<oai_citeseer:oai_citeseer xmlns:oai_citeseer="http://copper.ist.psu.edu/oai/oai_citeseer/" xmlns:dc ="http://purl.org/dc/elements/1.1/" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://copper.ist.psu.edu/oai/oai_citeseer/ http://copper.ist.psu.edu/oai/oai_citeseer.xsd ">
   <dc:title>The Mathematics of Set Predicates in Prolog</dc:title>
   <oai_citeseer:author name="Egon B Orger">
      <affiliation>; Dean Rosenzweig; Dip . di Informatica , Universita di Pisa; FSB , University of Zagreb</affiliation>
   </oai_citeseer:author>
   <dc:subject>Egon B Orger The Mathematics of Set Predicates in Prolog</dc:subject>
   <dc:description>. We provide a logical specification of set predicates findall
and bagof of Prolog. The specification is given in proof theoretic terms,
and pertains to any SLD--resolution based language. The order dependent
aspects, relevant for languages embodying a sequential proof search
strategy (possibly with side effects), can be added in an orthogonal way.
The specification also allows us to prove that bagof cannot be defined by
SLD--resolution alone. We show the correctness, wrt to our specification,
of Demoen's definition of bagof for Prolog in Prolog. The specification of
bagof allows us to throw some light on the logical problems with setof .
Introduction
The solution collecting predicates findall, bagof, setof of Prolog have been quite
extensively discussed in the literature--- [PerPor 81], [Warren 82], [Ueda 86],
[Ueda 87], [O'Keefe 90], [Demoen 91], [Dodd 91], [WG17 92] and can be found,
in different versions, in most Prolog systems (DEC-10, C, Quintus, BIM, Sicstus,
IBM, LPA,. . . )...</dc:description>
   <dc:contributor>The Pennsylvania State University CiteSeer Archives</dc:contributor>
   <dc:publisher>unknown</dc:publisher>
   <dc:date>1996-06-24</dc:date>
   <dc:format>ps</dc:format>
   <dc:identifier>http://citeseer.ist.psu.edu/28.html</dc:identifier>
   <dc:source>http://linux.eecs.umich.edu/.5/groups/Ealgebras/bagof.ps.gz</dc:source>
   <dc:language>en</dc:language>
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<header>
<identifier>oai:CiteSeerPSU:29</identifier>
<datestamp>1995-09-28</datestamp>
<setSpec>CiteSeerPSUset</setSpec>
</header>
<metadata>
<oai_citeseer:oai_citeseer xmlns:oai_citeseer="http://copper.ist.psu.edu/oai/oai_citeseer/" xmlns:dc ="http://purl.org/dc/elements/1.1/" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://copper.ist.psu.edu/oai/oai_citeseer/ http://copper.ist.psu.edu/oai/oai_citeseer.xsd ">
   <dc:title>Uniform Reconstruction of Gaussian Processes</dc:title>
   <oai_citeseer:author name="Klaus Ritter">
   </oai_citeseer:author>
   <oai_citeseer:author name="Thomas M Uller-gronbach">
   </oai_citeseer:author>
   <dc:subject>Klaus Ritter,Thomas M Uller-gronbach Uniform Reconstruction of Gaussian Processes</dc:subject>
   <dc:description>We consider a Gaussian process X with smoothness comparable to the Brownian motion. We analyze reconstructions of X which are based on observations at finitely many points. For each realization of X the error is defined in a weighted supremum norm; the overall error of a reconstruction is defined as the pth moment of this norm. We determine the rate of the minimal errors and provide different reconstruction methods which perform asymptotically optimal. In particular, we show that linear interpolation at the quantiles of a certain density is asymptotically optimal.</dc:description>
   <dc:contributor>The Pennsylvania State University CiteSeer Archives</dc:contributor>
   <dc:publisher>unknown</dc:publisher>
   <dc:date>1995-09-28</dc:date>
   <dc:format>ps</dc:format>
   <dc:identifier>http://citeseer.ist.psu.edu/29.html</dc:identifier>
   <dc:source>ftp://ftp.math.fu-berlin.de/pub/math/publ/pre/1995/pr-a-95-26.ps.Z</dc:source>
   <dc:language>en</dc:language>
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<header>
<identifier>oai:CiteSeerPSU:30</identifier>
<datestamp>1997-03-16</datestamp>
<setSpec>CiteSeerPSUset</setSpec>
</header>
<metadata>
<oai_citeseer:oai_citeseer xmlns:oai_citeseer="http://copper.ist.psu.edu/oai/oai_citeseer/" xmlns:dc ="http://purl.org/dc/elements/1.1/" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://copper.ist.psu.edu/oai/oai_citeseer/ http://copper.ist.psu.edu/oai/oai_citeseer.xsd ">
   <dc:title>Solving Small TSPs with Constraints</dc:title>
   <dc:subject> Solving Small TSPs with Constraints</dc:subject>
   <dc:description>This paper presents a set of techniques that makes constraint programming
a technique of choice for solving small (up to 30 nodes) traveling salesman
problems. These techniques include a propagation scheme to avoid
intermediate cycles (a global constraint), a branching scheme and a redundant
constraint that can be used as a bounding method. The resulting improvement
is that we can solve problems twice larger than those solved previously with
constraint programming tools. We evaluate the use of Lagrangean Relaxation
to narrow the gap between constraint programming and other Operations
Research techniques and we show that improved constraint propagation has
now a place in the array of techniques that should be used to solve a traveling
salesman problem.
1. Introduction
The Traveling Salesman Problem (TSP) is the search of the shortest tour
(total length) that visits a given set of cities exactly once (a Hamiltonian tour).
More generally, given a set of n points and a distance, a soluti...</dc:description>
   <dc:contributor>The Pennsylvania State University CiteSeer Archives</dc:contributor>
   <dc:publisher>unknown</dc:publisher>
   <dc:date>1997-03-16</dc:date>
   <dc:format>ps</dc:format>
   <dc:identifier>http://citeseer.ist.psu.edu/30.html</dc:identifier>
   <dc:source>http://www.dmi.ens.fr/users/laburthe/papers/iclp97.ps.gz</dc:source>
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<header>
<identifier>oai:CiteSeerPSU:31</identifier>
<datestamp>1997-11-14</datestamp>
<setSpec>CiteSeerPSUset</setSpec>
</header>
<metadata>
<oai_citeseer:oai_citeseer xmlns:oai_citeseer="http://copper.ist.psu.edu/oai/oai_citeseer/" xmlns:dc ="http://purl.org/dc/elements/1.1/" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://copper.ist.psu.edu/oai/oai_citeseer/ http://copper.ist.psu.edu/oai/oai_citeseer.xsd ">
   <dc:title>A Whole Sentence Maximum Entropy Language Model</dc:title>
   <oai_citeseer:author name="R. Rosenfeld">
      <address>Pittsburgh , PA 15213</address>
      <affiliation>School of Computer Science; Carnegie Mellon University</affiliation>
   </oai_citeseer:author>
   <dc:subject>R. Rosenfeld A Whole Sentence Maximum Entropy Language Model</dc:subject>
   <dc:description>We introduce a new kind of language model, which models
whole sentences or utterances directly using the Maximum Entropy
paradigm. The new model is conceptually simpler, and more naturally
suited to modeling whole-sentence phenomena, than the conditional ME
models proposed to date. By avoiding the chain rule, the model treats
each sentence or utterance as a "bag of features", where features are
arbitrary computable properties of the sentence. The model is unnormalizable,
but this does not interfere with training (done via sampling)
or with use. Using the model is computationally straightforward. The
main computational cost of training the model is in generating sample
sentences from a Gibbs distribution. Interestingly, this cost has different
dependencies, and is potentially lower, than in the comparable
conditional ME model.
1 Motivation
Conventional statistical language models estimate the probability of an
sentence s by using the chain rule to decompose it into a product of condit...</dc:description>
   <dc:contributor>The Pennsylvania State University CiteSeer Archives</dc:contributor>
   <dc:publisher>unknown</dc:publisher>
   <dc:date>1997-11-14</dc:date>
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   <dc:identifier>http://citeseer.ist.psu.edu/31.html</dc:identifier>
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<header>
<identifier>oai:CiteSeerPSU:32</identifier>
<datestamp>1998-11-10</datestamp>
<setSpec>CiteSeerPSUset</setSpec>
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<metadata>
<oai_citeseer:oai_citeseer xmlns:oai_citeseer="http://copper.ist.psu.edu/oai/oai_citeseer/" xmlns:dc ="http://purl.org/dc/elements/1.1/" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://copper.ist.psu.edu/oai/oai_citeseer/ http://copper.ist.psu.edu/oai/oai_citeseer.xsd ">
   <dc:title>[Recommendation X.904:</dc:title>
   <dc:subject> [Recommendation X.904:</dc:subject>
   <dc:description>This document provides an interpretation of the basic modelling concepts and the specification concepts of SC21 N6767.
Input which updates this interpretation so that it is in line with the current draft of [Recommendation X.902: j ISO 10746-2] is
requested.
In many cases the interpretation of part 2 concepts is extremely terse. Member Bodies are requested to provide some discussion
and illustration of these interpretations.
When a part 2 definition is defined in terms of more primitive part 2 definitions, it often transpires that the part 4 interpretation
of that definition is trivial (e.g. a repetition of the part 2 definition). In such cases the dependency on the interpretation of
primitive definitions should be highlighted and possibly discussed.</dc:description>
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<header>
<identifier>oai:CiteSeerPSU:33</identifier>
<datestamp>1996-11-06</datestamp>
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   <dc:title>A short proof of Dirac's theorem on the number of edges in chromatically critical graphs</dc:title>
   <oai_citeseer:author name="A. V. Kostochka">
      <address>630090 Novosibirsk , Russia</address>
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   <dc:subject>A. V. Kostochka,H. Sachs,W. A. Deuber A short proof of Dirac's theorem on the number of edges in chromatically critical graphs</dc:subject>
   <dc:description>A short proof is presented for a theorem of G. A. Dirac (1974) giving a lower bound for the number of edges of a k-critical graph on a given number of vertices and describing all non-complete k-critical graphs with minimum edge excess.</dc:description>
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<header>
<identifier>oai:CiteSeerPSU:34</identifier>
<datestamp>1995-04-24</datestamp>
<setSpec>CiteSeerPSUset</setSpec>
</header>
<metadata>
<oai_citeseer:oai_citeseer xmlns:oai_citeseer="http://copper.ist.psu.edu/oai/oai_citeseer/" xmlns:dc ="http://purl.org/dc/elements/1.1/" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://copper.ist.psu.edu/oai/oai_citeseer/ http://copper.ist.psu.edu/oai/oai_citeseer.xsd ">
   <dc:title>Stable Iterative Reconstruction Algorithm For Nonlinear Traveltime Tomography</dc:title>
   <oai_citeseer:author name="James G. Berryman">
      <address>P. O. Box 808 L-156; Livermore , CA 94550</address>
      <affiliation>Lawrence Livermore National Laboratory; University of California</affiliation>
   </oai_citeseer:author>
   <dc:subject>James G. Berryman Stable Iterative Reconstruction Algorithm For Nonlinear Traveltime Tomography</dc:subject>
   <dc:description>Reconstruction of acoustic, seismic, or electromagnetic wave speed distribution
from first arrival traveltime data is the goal of traveltime tomography. The
reconstruction problem is nonlinear, because the ray paths that should be used
for tomographic backprojection techniques can depend strongly on the unknown
wave speeds. In our analysis, Fermat's principle is used to show that trial wave
speed models which produce any ray paths with traveltime smaller than the
measured traveltime are not feasible models. Furthermore, for a given set of
trial ray paths, nonfeasible models can be classified by their total number of
"feasibility violations", i.e., the number of ray paths with traveltime less than
that measured. Fermat's principle is subsequently used to convexify the fully
nonlinear traveltime tomography problem. In principle, traveltime tomography
could be accomplished by solving a multidimensional nonlinear constrained optimization
problem based on counting the number of ray paths th...</dc:description>
   <dc:contributor>The Pennsylvania State University CiteSeer Archives</dc:contributor>
   <dc:publisher>unknown</dc:publisher>
   <dc:date>1995-04-24</dc:date>
   <dc:format>ps</dc:format>
   <dc:identifier>http://citeseer.ist.psu.edu/34.html</dc:identifier>
   <dc:source>http://sepwww.stanford.edu/sep/berryman/./PS/stable.ps</dc:source>
   <dc:language>en</dc:language>
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<header>
<identifier>oai:CiteSeerPSU:35</identifier>
<datestamp>1998-07-28</datestamp>
<setSpec>CiteSeerPSUset</setSpec>
</header>
<metadata>
<oai_citeseer:oai_citeseer xmlns:oai_citeseer="http://copper.ist.psu.edu/oai/oai_citeseer/" xmlns:dc ="http://purl.org/dc/elements/1.1/" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://copper.ist.psu.edu/oai/oai_citeseer/ http://copper.ist.psu.edu/oai/oai_citeseer.xsd ">
   <dc:title>SemQuery: Semantic Clustering and Querying on Heterogeneous Features for Visual data</dc:title>
   <oai_citeseer:author name="And Aidong Zhang">
      <address>Buffalo , NY 14260 , USA</address>
      <affiliation>Department of Computer Science; State University of New York at Buffalo</affiliation>
   </oai_citeseer:author>
   <oai_citeseer:author name="G. Sheikholeslami">
      <address>Buffalo , NY 14260 , USA</address>
      <affiliation>Department of Computer Science; State University of New York at Buffalo</affiliation>
   </oai_citeseer:author>
   <oai_citeseer:author name="Wendy Chang">
      <address>Buffalo , NY 14260 , USA</address>
      <affiliation>Department of Computer Science; State University of New York at Buffalo</affiliation>
   </oai_citeseer:author>
   <dc:subject>And Aidong Zhang,G. Sheikholeslami,Wendy Chang SemQuery: Semantic Clustering and Querying on Heterogeneous Features for Visual data</dc:subject>
   <dc:description>The effectiveness of the content-based image retrieval can be enhanced using the heterogeneous
features embedded in the images. However, since the features in texture, color, and shape
are generated using different computation methods and thus may require different similarity
measurements, the integration of the retrieval on heterogeneous features is a non-trivial task. In
this paper, we present a semantics-based clustering and indexing approach, termed SemQuery,
to support visual queries on heterogeneous features of images. Using this approach, the database
images are classified based on their heterogeneous features. Each semantic image cluster contains
a set of subclusters that are represented by the heterogeneous features that the images
contain. A database image is included into a feature subcluster only if the image contains all
the features under the same cluster. We also design a multi-layer model to merge the results
of basic queries on individual features. A visual query proc...</dc:description>
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   <dc:publisher>unknown</dc:publisher>
   <dc:date>1998-07-28</dc:date>
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<header>
<identifier>oai:CiteSeerPSU:36</identifier>
<datestamp>1996-07-09</datestamp>
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   <dc:title>Geometry and Algebra of Multiple Projective Transformations</dc:title>
   <oai_citeseer:author name="Anders Heyden">
      <address>Box 118 , S-221 00 Lund , SWEDEN</address>
      <affiliation>Dept of Mathematics , Lund University</affiliation>
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   <dc:subject>Anders Heyden Geometry and Algebra of Multiple Projective Transformations</dc:subject>
   <dc:description>In this thesis several dioeerent cases of reconstruction of 3D objects from a number
of 2D images, obtained by projective transformations, are considered.
Firstly, the case where the images are taken by uncalibrated cameras, making it
possible to reconstruct the object up to projective transformations, is described. The
minimal cases of two images of seven points and three images of six points are solved,
giving threefold solutions in both cases. Then linear methods for the cases where more
points or more images are available are given, using multilinear constraints, based on a
canonical representation of the multiple view geometry. The case of a continuous stream
of images is also treated, giving multilinear constraints on the image coordinates and
their derivatives.
Secondly, the algebraic properties of the multilinear functions and the ideals generated
by them are investigated. The main result is that the ideal generated by the
bilinearities for three views have a primary decomposit...</dc:description>
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   <dc:date>1996-07-09</dc:date>
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<header>
<identifier>oai:CiteSeerPSU:37</identifier>
<datestamp>1996-10-17</datestamp>
<setSpec>CiteSeerPSUset</setSpec>
</header>
<metadata>
<oai_citeseer:oai_citeseer xmlns:oai_citeseer="http://copper.ist.psu.edu/oai/oai_citeseer/" xmlns:dc ="http://purl.org/dc/elements/1.1/" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://copper.ist.psu.edu/oai/oai_citeseer/ http://copper.ist.psu.edu/oai/oai_citeseer.xsd ">
   <dc:title>The Case For Reliable Concurrent Multicasting Using Shared Ack Trees</dc:title>
   <oai_citeseer:author name="B. Lavo">
      <address>Santa Cruz , CA 95064</address>
      <affiliation>Department of Computer Engineering; University of California</affiliation>
   </oai_citeseer:author>
   <oai_citeseer:author name="Brian Neil">
      <address>Santa Cruz , CA 95064</address>
      <affiliation>Department of Computer Engineering; University of California</affiliation>
   </oai_citeseer:author>
   <oai_citeseer:author name="J. J. Garcia-luna-aceves">
      <address>Santa Cruz , CA 95064</address>
      <affiliation>Department of Computer Engineering; University of California</affiliation>
   </oai_citeseer:author>
   <oai_citeseer:author name="Levine David">
      <address>Santa Cruz , CA 95064</address>
      <affiliation>Department of Computer Engineering; University of California</affiliation>
   </oai_citeseer:author>
   <dc:subject>B. Lavo,Brian Neil,J. J. Garcia-luna-aceves,Levine David The Case For Reliable Concurrent Multicasting Using Shared Ack Trees</dc:subject>
   <dc:description>Such interactive, distributed multimedia applications as shared
whiteboards, group editors, and simulations require reliable concurrent
multicast services, i.e., the reliable dissemination of information
from multiple sources to all the members of a group. Furthermore,
it makes sense to offer that service on top of the increasingly
available IP multicast service, which offers unreliable multicasting.
This paper establishes that concurrent reliable multicasting
over the Internet should be based on reliable multicast protocols
based on a shared acknowledgment tree. First, we show that
organizing the receivers of a reliable multicast group into an acknowledgment
tree and using NAK-avoidance with periodic polling
in local groups inside such a tree provides the highest maximum
throughput among all classes of reliable multicast protocols proposed
to date. Second, we introduce Lorax, which demonstrates the
viability of implementing a reliable multicasting approach in the Internet
based on ack...</dc:description>
   <dc:contributor>The Pennsylvania State University CiteSeer Archives</dc:contributor>
   <dc:publisher>unknown</dc:publisher>
   <dc:date>1996-10-17</dc:date>
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<header>
<identifier>oai:CiteSeerPSU:38</identifier>
<datestamp>1995-04-14</datestamp>
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<oai_citeseer:oai_citeseer xmlns:oai_citeseer="http://copper.ist.psu.edu/oai/oai_citeseer/" xmlns:dc ="http://purl.org/dc/elements/1.1/" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://copper.ist.psu.edu/oai/oai_citeseer/ http://copper.ist.psu.edu/oai/oai_citeseer.xsd ">
   <dc:title>Genetic Programming for Articulated Figure Motion</dc:title>
   <oai_citeseer:author name="J. K. Hahn">
      <address>801 22nd Street NW,; Room T-624 , Washington , DC 20052 , U.S.A.</address>
      <affiliation>Department of EE CS , The George Washington University</affiliation>
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   <oai_citeseer:author name="L. Gritz">
      <address>801 22nd Street NW,; Room T-624 , Washington , DC 20052 , U.S.A.</address>
      <affiliation>Department of EE CS , The George Washington University</affiliation>
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   <dc:subject>J. K. Hahn,L. Gritz Genetic Programming for Articulated Figure Motion</dc:subject>
   <dc:description>this paper. When a GP run has finished, the final output of the GP subsystem is a single controller program. This controller program is the one which, when used to govern the actions of a simulated agent, resulted in the best rated agent according to the user-supplied fitness metric. This controller program may then be used to generate the motion control needed for the animation.</dc:description>
   <dc:contributor>The Pennsylvania State University CiteSeer Archives</dc:contributor>
   <dc:publisher>unknown</dc:publisher>
   <dc:date>1995-04-14</dc:date>
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   <dc:source>http://www.seas.gwu.edu/graphics/papers/gpafm.ps</dc:source>
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<header>
<identifier>oai:CiteSeerPSU:39</identifier>
<datestamp>1995-05-27</datestamp>
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<oai_citeseer:oai_citeseer xmlns:oai_citeseer="http://copper.ist.psu.edu/oai/oai_citeseer/" xmlns:dc ="http://purl.org/dc/elements/1.1/" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://copper.ist.psu.edu/oai/oai_citeseer/ http://copper.ist.psu.edu/oai/oai_citeseer.xsd ">
   <dc:title>Towards 3-D model-based tracking and recognition of human movement: a multi-view approach</dc:title>
   <oai_citeseer:author name="D. M. Gavrila">
      <address>College Park , MD 20742 , U.S.A.</address>
      <affiliation>Computer Vision Laboratory , CfAR,; University of Maryland</affiliation>
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   <oai_citeseer:author name="L. S. Davis">
      <address>College Park , MD 20742 , U.S.A.</address>
      <affiliation>Computer Vision Laboratory , CfAR,; University of Maryland</affiliation>
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   <dc:subject>D. M. Gavrila,L. S. Davis Towards 3-D model-based tracking and recognition of human movement: a multi-view approach</dc:subject>
   <dc:description>In this paper we describe our work on 3-D modelbased
tracking and recognition of human movement
from real images. Our system has two major components.
The first component takes real image sequences
acquired from multiple views and recovers
the 3-D body pose at each time instant. The poserecovery
problem is formulated as a search problem
and entails finding the pose parameters of a graphical
human model for which its synthesized appearance is
most similar to the actual appearance of the real human
in the multi-view images. Currently, we use a
best-first search technique and chamfer matching as a
fast similarity measure between synthesized and real
edge images.
The second component of our system deals with
the representation and recognition of human movement
patterns. The recognition of human movement
patterns is considered as a classification problem involving
the matching of a test sequence with several
reference sequences representing prototypical activities.
A variation of dynamic ti...</dc:description>
   <dc:contributor>The Pennsylvania State University CiteSeer Archives</dc:contributor>
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   <dc:date>1995-05-27</dc:date>
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<header>
<identifier>oai:CiteSeerPSU:40</identifier>
<datestamp>1998-02-10</datestamp>
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<metadata>
<oai_citeseer:oai_citeseer xmlns:oai_citeseer="http://copper.ist.psu.edu/oai/oai_citeseer/" xmlns:dc ="http://purl.org/dc/elements/1.1/" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://copper.ist.psu.edu/oai/oai_citeseer/ http://copper.ist.psu.edu/oai/oai_citeseer.xsd ">
   <dc:title>Performance Evaluation and Modeling of MPI Communications on the Meiko CS-2</dc:title>
   <oai_citeseer:author name="And Domenico Talia">
      <address>DEIS , Universit &#224; della Calabria 87036 Rende (CS) , Italy; ISI-CNR , c/o DEIS , UNICAL , 87036 Rende (CS) , Italy</address>
   </oai_citeseer:author>
   <oai_citeseer:author name="Giandomenico Spezzano">
      <address>DEIS , Universit &#224; della Calabria 87036 Rende (CS) , Italy; ISI-CNR , c/o DEIS , UNICAL , 87036 Rende (CS) , Italy</address>
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   <oai_citeseer:author name="Gianluigi Folino">
      <address>DEIS , Universit &#224; della Calabria 87036 Rende (CS) , Italy; ISI-CNR , c/o DEIS , UNICAL , 87036 Rende (CS) , Italy</address>
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   <dc:subject>And Domenico Talia,Giandomenico Spezzano,Gianluigi Folino Performance Evaluation and Modeling of MPI Communications on the Meiko CS-2</dc:subject>
   <dc:description>. This paper presents, evaluates and compares the performance of the
point-to-point and broadcast communication primitives of the MPI-1 standard
library on the Meiko CS-2 parallel machine. Furthermore, a benchmark model of
MPI communications is proposed. It is based on the size of messages exchanged
and the number of processors involved.
1 Introduction
Message passing systems simplify the concurrent software development on parallel
computers by separating the hardware architecture from the software configuration of
processes. These systems represent a critical aspect in the design and practical use of
parallel machines based on message passing. In fact, inter-process communication is
the main source of overhead in parallel programs. In the last decade, several
communication systems for multicomputers have been implemented. Some of them
have been developed for a particular architecture whereas others are more general.
Examples of these systems are Express, P4, PARMACS and ZipCode. The ...</dc:description>
   <dc:contributor>The Pennsylvania State University CiteSeer Archives</dc:contributor>
   <dc:publisher>unknown</dc:publisher>
   <dc:date>1998-02-10</dc:date>
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<header>
<identifier>oai:CiteSeerPSU:41</identifier>
<datestamp>1995-07-24</datestamp>
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<oai_citeseer:oai_citeseer xmlns:oai_citeseer="http://copper.ist.psu.edu/oai/oai_citeseer/" xmlns:dc ="http://purl.org/dc/elements/1.1/" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://copper.ist.psu.edu/oai/oai_citeseer/ http://copper.ist.psu.edu/oai/oai_citeseer.xsd ">
   <dc:title>The Data Reduction Expert Assistant</dc:title>
   <oai_citeseer:author name="Glenn E. Miller">
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   <dc:subject>Glenn E. Miller The Data Reduction Expert Assistant</dc:subject>
   <dc:description>Increased access to very large astronomical databases, the use of large format detectors and other developments in observational astronomy have the potential to overwhelm the capacity of most astronomers to analyze data unless new approaches to data reduction are found. This paper reports the initial progress in creating an expert system to assist in the reduction of scientific data. This system, called Draco, takes on much of the mechanics of data reduction, allowing the astronomer to spend more time understanding the physical nature of the data. Draco works in conjunction with existing data analysis systems such as STSDAS/IRAF and is designed to be extensible to new data reduction tasks.</dc:description>
   <dc:contributor>The Pennsylvania State University CiteSeer Archives</dc:contributor>
   <dc:publisher>unknown</dc:publisher>
   <dc:date>1995-07-24</dc:date>
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<header>
<identifier>oai:CiteSeerPSU:42</identifier>
<datestamp>1998-11-07</datestamp>
<setSpec>CiteSeerPSUset</setSpec>
</header>
<metadata>
<oai_citeseer:oai_citeseer xmlns:oai_citeseer="http://copper.ist.psu.edu/oai/oai_citeseer/" xmlns:dc ="http://purl.org/dc/elements/1.1/" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://copper.ist.psu.edu/oai/oai_citeseer/ http://copper.ist.psu.edu/oai/oai_citeseer.xsd ">
   <dc:title>A TMS320C40 based Speech Recognition System for Embedded Applications</dc:title>
   <oai_citeseer:author name="Bernhard Obermaier">
      <address>AUSTRIA</address>
      <affiliation>Institute for Technical Informatics; Technical University of Graz</affiliation>
   </oai_citeseer:author>
   <oai_citeseer:author name="Bernhard Rinner">
      <address>AUSTRIA</address>
      <affiliation>Institute for Technical Informatics; Technical University of Graz</affiliation>
   </oai_citeseer:author>
   <dc:subject>Bernhard Obermaier,Bernhard Rinner A TMS320C40 based Speech Recognition System for Embedded Applications</dc:subject>
   <dc:description>:
This paper describes a prototype implementation
of a speech recognition system for embedded
applications. The recognition system is
comprised of a feature extractor and a classifier.
The feature extractor is based on a 64-point Fast
Fourier Transformation (FFT); the classifier is
based on discrete-density Hidden Markov
Models (HMM) with a variable codebook size.
Training as well as classification are
implemented using the Viterbi algorithm. The
prototype is implemented on a digital signal
processor (DSP) of type TMS320C40 from
Texas Instruments. The recognition rate and the
performance are experimentally evaluated using
a test vocabulary of 20 words.
keywords: automatic speech recognition,
Hidden Markov Models, TMS320C40
1. INTRODUCTION
Automatic speech recognition (ASR) has been a
very active research area for a long time, and
much progress has been achieved within the last
years. Nowadays, many applications have been
extended by ASR techniques to enable an easy
and natural way of...</dc:description>
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<header>
<identifier>oai:CiteSeerPSU:43</identifier>
<datestamp>1998-07-02</datestamp>
<setSpec>CiteSeerPSUset</setSpec>
</header>
<metadata>
<oai_citeseer:oai_citeseer xmlns:oai_citeseer="http://copper.ist.psu.edu/oai/oai_citeseer/" xmlns:dc ="http://purl.org/dc/elements/1.1/" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://copper.ist.psu.edu/oai/oai_citeseer/ http://copper.ist.psu.edu/oai/oai_citeseer.xsd ">
   <dc:title>Identification of a high redshift cluster in the field of Q2345+007 through deep BRIJK' photometry</dc:title>
   <oai_citeseer:author name="G. Soucail">
      <address>URA 285 , 14 Avenue E. Belin , F-31400 Toulouse,; France; Observatoire Midi-Pyr'en'ees , URA 1281 , 14 Avenue E. Belin , F-31400 Toulouse , France; Centro de Investigaciones de Astronom'ia , AP 264 , 5101-A M'erida , Venezuela</address>
      <affiliation>, and G. Bruzual; Observatoire Midi-Pyr'en'ees , Laboratoire d'Astrophysique de Toulouse</affiliation>
   </oai_citeseer:author>
   <oai_citeseer:author name="J. -f. Le Borgne">
      <address>URA 285 , 14 Avenue E. Belin , F-31400 Toulouse,; France; Observatoire Midi-Pyr'en'ees , URA 1281 , 14 Avenue E. Belin , F-31400 Toulouse , France; Centro de Investigaciones de Astronom'ia , AP 264 , 5101-A M'erida , Venezuela</address>
      <affiliation>, and G. Bruzual; Observatoire Midi-Pyr'en'ees , Laboratoire d'Astrophysique de Toulouse</affiliation>
   </oai_citeseer:author>
   <oai_citeseer:author name="J. -p. Picat">
      <address>URA 285 , 14 Avenue E. Belin , F-31400 Toulouse,; France; Observatoire Midi-Pyr'en'ees , URA 1281 , 14 Avenue E. Belin , F-31400 Toulouse , France; Centro de Investigaciones de Astronom'ia , AP 264 , 5101-A M'erida , Venezuela</address>
      <affiliation>, and G. Bruzual; Observatoire Midi-Pyr'en'ees , Laboratoire d'Astrophysique de Toulouse</affiliation>
   </oai_citeseer:author>
   <dc:subject>G. Soucail,J. -f. Le Borgne,J. -p. Picat Identification of a high redshift cluster in the field of Q2345+007 through deep BRIJK' photometry</dc:subject>
   <dc:description>. This paper describes new results on the identification
of the complex gravitational lens responsible for
the double quasar Q2345+007. A gravitational shear field
was detected recently about 45
00
away from the QSO, centered
on an excess of faint blue galaxies. The redshift distribution
is still unknown, so the mass and the photometric
properties of the deflector are still a matter of debate.
We present deep photometric data obtained in the near-IR
(J and K'), which are used together with the preexisting
optical BRI photometry to build SEDs for all the objects
of the field, and to derive a photometric redshift estimate
by comparison with synthetic spectrophotometric data.
We propose a statistical method to analyse the redshift
distribution, based on the cumulative histogramme of the
redshift ranges allowed for the different objects. An excess
of galaxies at a redshift of z ' 0:75 is clearly detected
in the field of Q2345+007, with a 2D distribution showing
a maximum located on the c...</dc:description>
   <dc:contributor>The Pennsylvania State University CiteSeer Archives</dc:contributor>
   <dc:publisher>unknown</dc:publisher>
   <dc:date>1998-07-02</dc:date>
   <dc:format>ps</dc:format>
   <dc:identifier>http://citeseer.ist.psu.edu/43.html</dc:identifier>
   <dc:source>http://www.astr.tohoku.ac.jp/~miralles/AA_2345_3nov95.ps.gz</dc:source>
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      <oai_citeseer:uri>oai:CiteSeerPSU:50707</oai_citeseer:uri>
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      <oai_citeseer:uri>oai:CiteSeerPSU:384154</oai_citeseer:uri>
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<record>
<header>
<identifier>oai:CiteSeerPSU:44</identifier>
<datestamp>1998-09-18</datestamp>
<setSpec>CiteSeerPSUset</setSpec>
</header>
<metadata>
<oai_citeseer:oai_citeseer xmlns:oai_citeseer="http://copper.ist.psu.edu/oai/oai_citeseer/" xmlns:dc ="http://purl.org/dc/elements/1.1/" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://copper.ist.psu.edu/oai/oai_citeseer/ http://copper.ist.psu.edu/oai/oai_citeseer.xsd ">
   <dc:title>Sequential Behavior and Learning in Evolved Dynamical Neural Networks</dc:title>
   <oai_citeseer:author name="Brian M. Yamauchi">
      <address>Western Reserve University</address>
      <affiliation>Dept . of Computer Engineering and Science Dept . of Computer Engineering and Science; Case Western Reserve University Dept . of Biology; Cleveland , OH 44106 Case</affiliation>
   </oai_citeseer:author>
   <oai_citeseer:author name="Randall D. Beer">
      <address>Western Reserve University</address>
      <affiliation>Dept . of Computer Engineering and Science Dept . of Computer Engineering and Science; Case Western Reserve University Dept . of Biology; Cleveland , OH 44106 Case</affiliation>
   </oai_citeseer:author>
   <dc:subject>Brian M. Yamauchi,Randall D. Beer Sequential Behavior and Learning in Evolved Dynamical Neural Networks</dc:subject>
   <dc:description>This paper explores the use of a real-valued modular genetic algorithm to evolve continuous-time recurrent neural networks capable of sequential behavior and learning. We evolve networks that can generate a fixed sequence of outputs in response to an external trigger occurring at varying intervals of time. We also evolve networks that can learn to generate one of a set of possible sequences based upon reinforcement from the environment. Finally, we utilize concepts from dynamical systems theory to understand the operation of some of these evolved networks. A novel feature of our approach is that we assume neither an a priori discretization of states or time nor an a priori learning algorithm that explicitly modifies network parameters during learning. Rather, we merely expose dynamical neural networks to tasks that require sequential behavior and learning and allow the genetic algorithm to evolve network dynamics capable of accomplishing these tasks. 2 1. Introduction Much of the rec...</dc:description>
   <dc:contributor>The Pennsylvania State University CiteSeer Archives</dc:contributor>
   <dc:publisher>unknown</dc:publisher>
   <dc:date>1998-09-18</dc:date>
   <dc:format>ps</dc:format>
   <dc:identifier>http://citeseer.ist.psu.edu/44.html</dc:identifier>
   <dc:source>http://vorlon.cwru.edu/~beer/Papers/seqlearn.ps.Z</dc:source>
   <dc:language>en</dc:language>
   <oai_citeseer:relation type="References">
      <oai_citeseer:uri>oai:CiteSeerPSU:152538</oai_citeseer:uri>
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      <oai_citeseer:uri>oai:CiteSeerPSU:121068</oai_citeseer:uri>
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      <oai_citeseer:uri>oai:CiteSeerPSU:4</oai_citeseer:uri>
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<record>
<header>
<identifier>oai:CiteSeerPSU:45</identifier>
<datestamp>1995-01-13</datestamp>
<setSpec>CiteSeerPSUset</setSpec>
</header>
<metadata>
<oai_citeseer:oai_citeseer xmlns:oai_citeseer="http://copper.ist.psu.edu/oai/oai_citeseer/" xmlns:dc ="http://purl.org/dc/elements/1.1/" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://copper.ist.psu.edu/oai/oai_citeseer/ http://copper.ist.psu.edu/oai/oai_citeseer.xsd ">
   <dc:title>Approximate Kinodynamic Planning Using L 2 -norm Dynamic Bounds</dc:title>
   <oai_citeseer:author name="John H. Reif">
   </oai_citeseer:author>
   <oai_citeseer:author name="Stephen R. Tate">
   </oai_citeseer:author>
   <dc:subject>John H. Reif,Stephen R. Tate Approximate Kinodynamic Planning Using L 2 -norm Dynamic Bounds</dc:subject>
   <dc:description>In this paper we address the issue of kinodynamic motion planning. Given a point that
moves with bounded acceleration and velocity, we wish to find the time-optimal trajectory
from a start state to a goal state (a state consists of both a position and a velocity). As
finding exact optimal solutions to this problem seems very hard, we present a provably
good approximation algorithm using the L 2 norm to bound acceleration and velocity. Our
results are an extension of the earlier work of Canny, Donald, Reif, and Xavier [1], who
present similar results where the dynamics bounds can be examined in each dimension
independently (they use the L1 norm to bound acceleration and velocity).
Keywords: Motion planning, kinodynamic planning, approximation algorithms, robotics.
Supported in part by DARPA/ARO contract DAAL03-88-K-0195, Air Force Contract AFOSR-87-0386,
DARPA/ISTO contract N00014-88-K-0458, and NASA subcontract 550-63 of prime contract NAS5-30428.
y
Department of Computer Science,...</dc:description>
   <dc:contributor>The Pennsylvania State University CiteSeer Archives</dc:contributor>
   <dc:publisher>unknown</dc:publisher>
   <dc:date>1995-01-13</dc:date>
   <dc:format>ps</dc:format>
   <dc:identifier>http://citeseer.ist.psu.edu/45.html</dc:identifier>
   <dc:source>http://www.cs.unt.edu/~srt/papers/l2motion.ps</dc:source>
   <dc:language>en</dc:language>
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      <oai_citeseer:uri>oai:CiteSeerPSU:189675</oai_citeseer:uri>
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      <oai_citeseer:uri>oai:CiteSeerPSU:4</oai_citeseer:uri>
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      <oai_citeseer:uri>oai:CiteSeerPSU:381009</oai_citeseer:uri>
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      <oai_citeseer:uri>oai:CiteSeerPSU:28964</oai_citeseer:uri>
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<record>
<header>
<identifier>oai:CiteSeerPSU:46</identifier>
<datestamp>1998-05-24</datestamp>
<setSpec>CiteSeerPSUset</setSpec>
</header>
<metadata>
<oai_citeseer:oai_citeseer xmlns:oai_citeseer="http://copper.ist.psu.edu/oai/oai_citeseer/" xmlns:dc ="http://purl.org/dc/elements/1.1/" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://copper.ist.psu.edu/oai/oai_citeseer/ http://copper.ist.psu.edu/oai/oai_citeseer.xsd ">
   <dc:title>Further Illustration Of The Use Of The Frobenius-Schwinger-Dyson Equations</dc:title>
   <oai_citeseer:author name="Olivier De Mirleau">
   </oai_citeseer:author>
   <dc:subject>Olivier De Mirleau Further Illustration Of The Use Of The Frobenius-Schwinger-Dyson Equations</dc:subject>
   <dc:description>. The Frobenius-Schwinger-Dyson equations are a rather high-brow abstract
nonsense type of equations describing n-point functions of arbitrarily high composite insertions.
It is not clear how to solve or even find approximate solutions of these equations
in general, but they are worth investigating because (a certain preferred type of) renormalization
of composite insertions has been performed in advance: it just remains to find
solutions given an action and renormalization conditions. Earlier work in this field involved
only Gaussian actions or variable transformations thereof. In this work we illustrate the
use of Frobenius-Schwinger-Dyson at a less obviously trivial level, that of the Thirring
model.
Keywords: Schwinger-Dyson equation, Frobenius Algebras, Thirring model.
1991 MSC: 81 Q 40, 81 R 99, 81 T 40.
Contents
1. Introduction and overview 1
2. Reminder on the Frobenius-Schwinger-Dyson equation 2
3. Reminder on chiral currents 3
4. The Thirring model with Johnson's renormali...</dc:description>
   <dc:contributor>The Pennsylvania State University CiteSeer Archives</dc:contributor>
   <dc:publisher>unknown</dc:publisher>
   <dc:date>1998-05-24</dc:date>
   <dc:format>ps</dc:format>
   <dc:identifier>http://citeseer.ist.psu.edu/46.html</dc:identifier>
   <dc:source>http://preprints.cern.ch/archive/electronic/hep-th/9703/9703061.ps.gz</dc:source>
   <dc:language>en</dc:language>
   <oai_citeseer:relation type="Is Referenced By">
      <oai_citeseer:uri>oai:CiteSeerPSU:4</oai_citeseer:uri>
   </oai_citeseer:relation>
   <oai_citeseer:relation type="Is Referenced By">
      <oai_citeseer:uri>oai:CiteSeerPSU:381009</oai_citeseer:uri>
   </oai_citeseer:relation>
   <oai_citeseer:relation type="Is Referenced By">
      <oai_citeseer:uri>oai:CiteSeerPSU:218868</oai_citeseer:uri>
   </oai_citeseer:relation>
   <dc:rights>unrestricted</dc:rights>
</oai_citeseer:oai_citeseer>
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<record>
<header>
<identifier>oai:CiteSeerPSU:47</identifier>
<datestamp>1995-06-09</datestamp>
<setSpec>CiteSeerPSUset</setSpec>
</header>
<metadata>
<oai_citeseer:oai_citeseer xmlns:oai_citeseer="http://copper.ist.psu.edu/oai/oai_citeseer/" xmlns:dc ="http://purl.org/dc/elements/1.1/" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://copper.ist.psu.edu/oai/oai_citeseer/ http://copper.ist.psu.edu/oai/oai_citeseer.xsd ">
   <dc:title>Optimal Emulation of Meshes on Meshes of Trees</dc:title>
   <dc:subject> Optimal Emulation of Meshes on Meshes of Trees</dc:subject>
   <dc:description>. Many problems can be solved more efficiently on a mesh of
trees network than on a mesh. Until now it has been an open problem
whether the mesh of trees is always at least as fast as the mesh. In this
paper, we present an emulation of N-node meshes on O(N)-node meshes
of trees with constant slowdown, even though any embedding of a mesh
into a mesh of trees requires
dilationOmega
(log N ). This demonstrates that
the mesh of trees is strictly more powerful than the mesh. As an application,
we show how to construct an optimal O(
p
N) sorting algorithm for
the mesh of trees that improves on the best previously known algorithm
by a logarithmic factor.
1 Introduction
Fixed interconnection networks for parallel computers determine to a large degree
the algorithms used. They define the available locality any algorithm must
try to exploit to be efficient. One of the important questions regarding interconnection
networks is their relative computational power which can be determined
by emula...</dc:description>
   <dc:contributor>The Pennsylvania State University CiteSeer Archives</dc:contributor>
   <dc:publisher>unknown</dc:publisher>
   <dc:date>1995-06-09</dc:date>
   <dc:format>ps</dc:format>
   <dc:identifier>http://citeseer.ist.psu.edu/47.html</dc:identifier>
   <dc:source>http://liinwww.ira.uka.de/~achilles/MOT.EUROPAR.95.ps.gz</dc:source>
   <dc:language>en</dc:language>
   <oai_citeseer:relation type="References">
      <oai_citeseer:uri>oai:CiteSeerPSU:125269</oai_citeseer:uri>
   </oai_citeseer:relation>
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      <oai_citeseer:uri>oai:CiteSeerPSU:73089</oai_citeseer:uri>
   </oai_citeseer:relation>
   <oai_citeseer:relation type="References">
      <oai_citeseer:uri>oai:CiteSeerPSU:348025</oai_citeseer:uri>
   </oai_citeseer:relation>
   <oai_citeseer:relation type="Is Referenced By">
      <oai_citeseer:uri>oai:CiteSeerPSU:152606</oai_citeseer:uri>
   </oai_citeseer:relation>
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      <oai_citeseer:uri>oai:CiteSeerPSU:4</oai_citeseer:uri>
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      <oai_citeseer:uri>oai:CiteSeerPSU:332032</oai_citeseer:uri>
   </oai_citeseer:relation>
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      <oai_citeseer:uri>oai:CiteSeerPSU:169801</oai_citeseer:uri>
   </oai_citeseer:relation>
   <oai_citeseer:relation type="Is Referenced By">
      <oai_citeseer:uri>oai:CiteSeerPSU:468530</oai_citeseer:uri>
   </oai_citeseer:relation>
   <dc:rights>unrestricted</dc:rights>
</oai_citeseer:oai_citeseer>
</metadata>
</record>

<record>
<header>
<identifier>oai:CiteSeerPSU:48</identifier>
<datestamp>1997-07-24</datestamp>
<setSpec>CiteSeerPSUset</setSpec>
</header>
<metadata>
<oai_citeseer:oai_citeseer xmlns:oai_citeseer="http://copper.ist.psu.edu/oai/oai_citeseer/" xmlns:dc ="http://purl.org/dc/elements/1.1/" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://copper.ist.psu.edu/oai/oai_citeseer/ http://copper.ist.psu.edu/oai/oai_citeseer.xsd ">
   <dc:title>On the Optimality of the Simple Bayesian Classifier under Zero-One Loss</dc:title>
   <oai_citeseer:author name="Michael Pazzani">
      <address>; Irvine , CA 92697</address>
      <affiliation>; Department of Information and Computer Science , University of California; Editor : Gregory Provan</affiliation>
   </oai_citeseer:author>
   <oai_citeseer:author name="Pedro Domingos">
   </oai_citeseer:author>
   <dc:subject>Michael Pazzani,Pedro Domingos On the Optimality of the Simple Bayesian Classifier under Zero-One Loss</dc:subject>
   <dc:description>. The simple Bayesian classifier is known to be optimal when attributes are independent
given the class, but the question of whether other sufficient conditions for its optimality exist has
so far not been explored. Empirical results showing that it performs surprisingly well in many
domains containing clear attribute dependences suggest that the answer to this question may be
positive. This article shows that, although the Bayesian classifier's probability estimates are only
optimal under quadratic loss if the independence assumption holds, the classifier itself can be
optimal under zero-one loss (misclassification rate) even when this assumption is violated by a
wide margin. The region of quadratic-loss optimality of the Bayesian classifier is in fact a secondorder
infinitesimal fraction of the region of zero-one optimality. This implies that the Bayesian
classifier has a much greater range of applicability than previously thought. For example, in this
article it is shown to be optim...</dc:description>
   <dc:contributor>The Pennsylvania State University CiteSeer Archives</dc:contributor>
   <dc:publisher>unknown</dc:publisher>
   <dc:date>1997-07-24</dc:date>
   <dc:format>ps</dc:format>
   <dc:identifier>http://citeseer.ist.psu.edu/48.html</dc:identifier>
   <dc:source>http://www.ics.uci.edu/~pedrod/mlj97.ps.gz</dc:source>
   <dc:language>en</dc:language>
   <oai_citeseer:relation type="References">
      <oai_citeseer:uri>oai:CiteSeerPSU:74714</oai_citeseer:uri>
   </oai_citeseer:relation>
   <oai_citeseer:relation type="References">
      <oai_citeseer:uri>oai:CiteSeerPSU:177279</oai_citeseer:uri>
   </oai_citeseer:relation>
   <oai_citeseer:relation type="References">
      <oai_citeseer:uri>oai:CiteSeerPSU:109288</oai_citeseer:uri>
   </oai_citeseer:relation>
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      <oai_citeseer:uri>oai:CiteSeerPSU:129890</oai_citeseer:uri>
   </oai_citeseer:relation>
   <oai_citeseer:relation type="References">
      <oai_citeseer:uri>oai:CiteSeerPSU:4635</oai_citeseer:uri>
   </oai_citeseer:relation>
   <oai_citeseer:relation type="References">
      <oai_citeseer:uri>oai:CiteSeerPSU:315328</oai_citeseer:uri>
   </oai_citeseer:relation>
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      <oai_citeseer:uri>oai:CiteSeerPSU:118221</oai_citeseer:uri>
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   </oai_citeseer:relation>
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      <oai_citeseer:uri>oai:CiteSeerPSU:53261</oai_citeseer:uri>
   </oai_citeseer:relation>
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      <oai_citeseer:uri>oai:CiteSeerPSU:175498</oai_citeseer:uri>
   </oai_citeseer:relation>
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      <oai_citeseer:uri>oai:CiteSeerPSU:4</oai_citeseer:uri>
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      <oai_citeseer:uri>oai:CiteSeerPSU:381009</oai_citeseer:uri>
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<record>
<header>
<identifier>oai:CiteSeerPSU:49</identifier>
<datestamp>1994-07-07</datestamp>
<setSpec>CiteSeerPSUset</setSpec>
</header>
<metadata>
<oai_citeseer:oai_citeseer xmlns:oai_citeseer="http://copper.ist.psu.edu/oai/oai_citeseer/" xmlns:dc ="http://purl.org/dc/elements/1.1/" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://copper.ist.psu.edu/oai/oai_citeseer/ http://copper.ist.psu.edu/oai/oai_citeseer.xsd ">
   <dc:title>Actuability of Underactuated Manipulators</dc:title>
   <oai_citeseer:author name="Christopher Lee">
      <address>Pittsburgh , PA 15213</address>
      <affiliation>CMU-RI-TR-94-13; The Robotics Institute; Carnegie Mellon University</affiliation>
   </oai_citeseer:author>
   <oai_citeseer:author name="Yangsheng Xu">
      <address>Pittsburgh , PA 15213</address>
      <affiliation>CMU-RI-TR-94-13; The Robotics Institute; Carnegie Mellon University</affiliation>
   </oai_citeseer:author>
   <dc:subject>Christopher Lee,Yangsheng Xu Actuability of Underactuated Manipulators</dc:subject>
   <dc:description>In this paper we study underactuated manipulator systems, which are composed of both active
and passive joints. The study of underactuated systems is interesting for a variety of applications
including space robots, hyperredundant robots, and mobile robots. When one or more joints in
a normal manipulator system fail, control techniques for the resulting underactuated system can
make use of dynamic coupling within the system for position control. In this paper, we define
a performance measure for the motion of these underactuated manipulator systems. We call this
performance measure actuability. Actuability is a measure of the ability of the actuators in a robot
manipulator to cause acceleration of the end-effector. Based on this concept, we develop sensitivity
analysis of the system's performance with respect to geometric and dynamics parameters of the
robot. This investigation is significant for the design and control of an underactuated robot system.
Contents
1 Introduction 1
2 Ac...</dc:description>
   <dc:contributor>The Pennsylvania State University CiteSeer Archives</dc:contributor>
   <dc:publisher>unknown</dc:publisher>
   <dc:date>1994-07-07</dc:date>
   <dc:format>ps</dc:format>
   <dc:identifier>http://citeseer.ist.psu.edu/49.html</dc:identifier>
   <dc:source>http://pecan.srv.cs.cmu.edu/afs/cs.cmu.edu/user/chrislee/www/cmu-ri-tr-94-13.ps.gz</dc:source>
   <dc:language>en</dc:language>
   <oai_citeseer:relation type="References">
      <oai_citeseer:uri>oai:CiteSeerPSU:61650</oai_citeseer:uri>
   </oai_citeseer:relation>
   <oai_citeseer:relation type="Is Referenced By">
      <oai_citeseer:uri>oai:CiteSeerPSU:119001</oai_citeseer:uri>
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   <oai_citeseer:relation type="Is Referenced By">
      <oai_citeseer:uri>oai:CiteSeerPSU:563059</oai_citeseer:uri>
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   <dc:title>System Support for Software Fault Tolerance in Highly Available Database Management Systems</dc:title>
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   <dc:subject>Mark Paul Sullivan System Support for Software Fault Tolerance in Highly Available Database Management Systems</dc:subject>
   <dc:description>Today, software errors are the leading cause of outages in fault tolerant systems. System availability can be improved despite software errors by fast error detection and recovery techniques that minimize total downtime after an outage. This dissertation analyzes software errors in three commercial systems and describes the implementation and evaluation of several techniques for early error detection and fast recovery in a database management system (DBMS). The software error study examines errors reported by customers in three IBM systems programs: the MVS operating system and the IMS DBMS and DB2 DBMS. The study classifies errors by the type of coding mistake and the circumstances in the customer's environment that caused the error to arise. It observes a higher availability impact from addressing errors, such as uninitialized pointers, than software errors as a whole. It also details the frequencies and types of addressing errors and characterizes the damage they do. The error detec...</dc:description>
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<header>
<identifier>oai:CiteSeerPSU:51</identifier>
<datestamp>1997-11-13</datestamp>
<setSpec>CiteSeerPSUset</setSpec>
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<metadata>
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   <dc:title>Models for Asynchronous Message Handling</dc:title>
   <oai_citeseer:author name="Henri Bal">
      <address>Vrije Universiteit , Amsterdam , The Netherlands</address>
      <affiliation>Dept . of Mathematics and Computer Science</affiliation>
   </oai_citeseer:author>
   <oai_citeseer:author name="Koen Langendoen">
      <address>Vrije Universiteit , Amsterdam , The Netherlands</address>
      <affiliation>Dept . of Mathematics and Computer Science</affiliation>
   </oai_citeseer:author>
   <oai_citeseer:author name="Raoul Bhoedjang">
      <address>Vrije Universiteit , Amsterdam , The Netherlands</address>
      <affiliation>Dept . of Mathematics and Computer Science</affiliation>
   </oai_citeseer:author>
   <dc:subject>Henri Bal,Koen Langendoen,Raoul Bhoedjang Models for Asynchronous Message Handling</dc:subject>
   <dc:description>To be able to benefit from the low latencies offered by
recent user-level communication architectures, messageprocessing
overhead must be minimized. This requirement
has resulted in the development of messagehandling
models that trade expressiveness for performance.
We describe three models of increasing expressiveness.
The least expressive model, the active messages
model, disallows all blocking in message handlers.
This complicates programming if messages arrive
asynchronously and message handlers need to synchronize
with other threads. The second model, the singlethreaded
upcall model, allows blocking in some cases. It
is thus more expressive than active messages, but not as
expressive as the last model, popup threads, which puts
no restrictions on message handlers.
We have implemented all three models on the same
user-level communication architecture. The implementation
carefully integrates thread management and
message-handling. Using this integrated system, the
performance of the...</dc:description>
   <dc:contributor>The Pennsylvania State University CiteSeer Archives</dc:contributor>
   <dc:publisher>unknown</dc:publisher>
   <dc:date>1997-11-13</dc:date>
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<header>
<identifier>oai:CiteSeerPSU:52</identifier>
<datestamp>1996-08-06</datestamp>
<setSpec>CiteSeerPSUset</setSpec>
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<metadata>
<oai_citeseer:oai_citeseer xmlns:oai_citeseer="http://copper.ist.psu.edu/oai/oai_citeseer/" xmlns:dc ="http://purl.org/dc/elements/1.1/" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://copper.ist.psu.edu/oai/oai_citeseer/ http://copper.ist.psu.edu/oai/oai_citeseer.xsd ">
   <dc:title>Statistical Learning, Localization, and Identification of Objects</dc:title>
   <oai_citeseer:author name="H. Niemann">
      <address>Martensstr . 3 , D--91058 Erlangen , Germany</address>
      <affiliation>Lehrstuhl f ur Mustererkennung (Informatik 5); Universit at Erlangen--N urnberg</affiliation>
   </oai_citeseer:author>
   <oai_citeseer:author name="Heinrich Niemann">
      <affiliation>Conference on Computer Vision (ICCV)</affiliation>
   </oai_citeseer:author>
   <oai_citeseer:author name="J. Hornegger">
      <address>Martensstr . 3 , D--91058 Erlangen , Germany</address>
      <affiliation>Lehrstuhl f ur Mustererkennung (Informatik 5); Universit at Erlangen--N urnberg</affiliation>
   </oai_citeseer:author>
   <oai_citeseer:author name="Joachim Hornegger">
      <affiliation>Conference on Computer Vision (ICCV)</affiliation>
   </oai_citeseer:author>
   <dc:subject>H. Niemann,Heinrich Niemann,J. Hornegger,Joachim Hornegger Statistical Learning, Localization, and Identification of Objects</dc:subject>
   <dc:description>This work describes a statistical approach to deal
with learning and recognition problems in the field of
computer vision. An abstract theoretical framework is
provided, which is suitable for automatic model generation
from examples, identification, and localization of
objects. Both, the learning and localization stage are
formalized as parameter estimation tasks. The statistical
learning phase is unsupervised with respect to
the matching of model and scene features. The general
mathematical description yields algorithms which can
even treat parameter estimation problems from projected
data. The experiments show that this probabilistic
approach is suitable for solving 2D and 3D object recognition
problems using grey--level images. The method
can also be applied to 3D image processing issues using
range images, i.e. 3D input data.
1 Introduction
Many object recognition systems are discussed in
the literature [7, 8]. The huge variety of approaches
are occupied with the development and ...</dc:description>
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<record>
<header>
<identifier>oai:CiteSeerPSU:53</identifier>
<datestamp>1994-12-08</datestamp>
<setSpec>CiteSeerPSUset</setSpec>
</header>
<metadata>
<oai_citeseer:oai_citeseer xmlns:oai_citeseer="http://copper.ist.psu.edu/oai/oai_citeseer/" xmlns:dc ="http://purl.org/dc/elements/1.1/" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://copper.ist.psu.edu/oai/oai_citeseer/ http://copper.ist.psu.edu/oai/oai_citeseer.xsd ">
   <dc:title>A Hypertext System for Integrating Heterogeneous, Autonomous Software Repositories</dc:title>
   <oai_citeseer:author name="John Noll">
      <address>Los Angeles , CA 90089-1421</address>
      <affiliation>Information and Operations Management Dept.; University of Southern California</affiliation>
   </oai_citeseer:author>
   <oai_citeseer:author name="Walt Scacchi">
      <address>Los Angeles , CA 90089-1421</address>
      <affiliation>Information and Operations Management Dept.; University of Southern California</affiliation>
   </oai_citeseer:author>
   <dc:subject>John Noll,Walt Scacchi A Hypertext System for Integrating Heterogeneous, Autonomous Software Repositories</dc:subject>
   <dc:description>Hypertext is a simple concept for organizing
information into a graph structure
of linked container objects. This paper examines
issues involved in applying hypertext
concepts to the integration of heterogeneous,
autonomous software repositories,
and presents a solution called the Distributed
Hypertext System (DHT). Based on a hypertext
data model and client-server architecture,
DHT features powerful modeling capabilities,
integration of heterogeneous, preexisting
repositories, update with concurrency
control, and full local autonomy.
1 Introduction
Considerable research has been devoted
to software object management. Table
1 summarizes some of the results. For
the most part, these efforts assume that the
objects in the repository are stored in a
central database or storage manager, which
may be accessed by distributed clients. In
reality, however, software artifacts may be
stored in many diverse locations under independent
control. This may happen due
to multi-contractor development...</dc:description>
   <dc:contributor>The Pennsylvania State University CiteSeer Archives</dc:contributor>
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   <dc:date>1994-12-08</dc:date>
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<header>
<identifier>oai:CiteSeerPSU:54</identifier>
<datestamp>1970-01-01</datestamp>
<setSpec>CiteSeerPSUset</setSpec>
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<metadata>
<oai_citeseer:oai_citeseer xmlns:oai_citeseer="http://copper.ist.psu.edu/oai/oai_citeseer/" xmlns:dc ="http://purl.org/dc/elements/1.1/" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://copper.ist.psu.edu/oai/oai_citeseer/ http://copper.ist.psu.edu/oai/oai_citeseer.xsd ">
   <dc:title>A Supersymmetry Approach To Poisson Structures Over Differential Equations</dc:title>
   <oai_citeseer:author name="I. S. Krasil'shchik">
   </oai_citeseer:author>
   <dc:subject>I. S. Krasil'shchik A Supersymmetry Approach To Poisson Structures Over Differential Equations</dc:subject>
   <dc:description>. An exposition of Poisson structures theory over nonlinear partial
differential equations is given. The approach is based on consideration of
d h -invariant Hamiltonian formalism in the superalgebra
(E
1
), d h being
the horizontal differential.
Relations between supersymmetriesand Poisson structures are established.
A local description of Poisson structures for the two cases is given: E 1
=
J
1
(&#223;) and E being a system of evolution equations.
1. Basic algebraic structures related to nonlinear partial
differential equations.
When dealing with so-called integrable systems, one always meets with the
following concepts:
- symmetries,
- conservation laws,
- Hamiltonian maps (Poisson structures),
- recursion operators.
In fact, all these concepts can be defined
1
for any nonlinear partial differential
equation and only the problem of existence depend on a particular type of the
equation at hand. Moreover, the basic constructions are of a purely algebraic
(cohomological, to be...</dc:description>
   <dc:contributor>The Pennsylvania State University CiteSeer Archives</dc:contributor>
   <dc:publisher>unknown</dc:publisher>
   <dc:date>1970-01-01</dc:date>
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<header>
<identifier>oai:CiteSeerPSU:55</identifier>
<datestamp>1998-06-04</datestamp>
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<metadata>
<oai_citeseer:oai_citeseer xmlns:oai_citeseer="http://copper.ist.psu.edu/oai/oai_citeseer/" xmlns:dc ="http://purl.org/dc/elements/1.1/" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://copper.ist.psu.edu/oai/oai_citeseer/ http://copper.ist.psu.edu/oai/oai_citeseer.xsd ">
   <dc:title>CSDC - The MoTiV Car Speech Data Collection</dc:title>
   <oai_citeseer:author name="Detlev Langmann">
      <address>Philips Innovation Center , Taipei , Taiwan , R.O.C.</address>
      <affiliation>Ute Jekosch</affiliation>
   </oai_citeseer:author>
   <oai_citeseer:author name="Hartmut R. Pfitzinger">
      <address>Philips Research Laboratories Aachen , Germany</address>
   </oai_citeseer:author>
   <oai_citeseer:author name="Martin Westphal">
      <address>ILKD , University Karlsruhe , Germany</address>
   </oai_citeseer:author>
   <oai_citeseer:author name="Robert Grudszus">
      <address>Robert Bosch GmbH Stuttgart , Germany</address>
   </oai_citeseer:author>
   <oai_citeseer:author name="Tobias Schneider">
      <address>Siemens AG Munich , Germany</address>
   </oai_citeseer:author>
   <oai_citeseer:author name="Torsten Crull">
      <address>Institute of Phonetics , Luwig Maximilian University of Munich , Germany</address>
   </oai_citeseer:author>
   <dc:subject>Detlev Langmann,Hartmut R. Pfitzinger,Martin Westphal,Robert Grudszus,Tobias Schneider,Torsten Crull CSDC - The MoTiV Car Speech Data Collection</dc:subject>
   <dc:description>A commmon initiative was created between the industrial
partners Philips, Siemens, Bosch, and Volkswagen in the subproject
Man-Machine Interaction of the German governmentfunded
project "MoTiV" (mobility and transportation in the
intermodal traffic) in order to enable comprehensive
investigations of voice control in car environments.
The partners designed and conducted a database collection for
German speech data in different car environments. In total, 35
hours of hands-free multi-channel recorded speech data from
about 640 drivers were collected in seven different mid- to
upper-class ranged cars. To our knowledge, this effort enables
for the first time the investigation of the impact of real
circumstances on speaker-independent speech recognition in the
car.
INTRODUCTION
Speech recognition in the car is not only an exciting
opportunity for convenient control of car electronics like
car stereo, mobile phone, navigation system and some carbody
functions, but it can also improve traff...</dc:description>
   <dc:contributor>The Pennsylvania State University CiteSeer Archives</dc:contributor>
   <dc:publisher>unknown</dc:publisher>
   <dc:date>1998-06-04</dc:date>
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   <dc:identifier>http://citeseer.ist.psu.edu/55.html</dc:identifier>
   <dc:source>http://www.phonetik.uni-muenchen.de/Publications/Pfitzinger_LREC98b.ps</dc:source>
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<header>
<identifier>oai:CiteSeerPSU:56</identifier>
<datestamp>1997-02-14</datestamp>
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<metadata>
<oai_citeseer:oai_citeseer xmlns:oai_citeseer="http://copper.ist.psu.edu/oai/oai_citeseer/" xmlns:dc ="http://purl.org/dc/elements/1.1/" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://copper.ist.psu.edu/oai/oai_citeseer/ http://copper.ist.psu.edu/oai/oai_citeseer.xsd ">
   <dc:title>Online Aggregation</dc:title>
   <oai_citeseer:author name="Helen J. Wang">
      <affiliation>Computer Science Division; University of California , Berkeley</affiliation>
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   <oai_citeseer:author name="Joseph M. Hellerstein">
      <affiliation>Computer Science Division; University of California , Berkeley</affiliation>
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   <oai_citeseer:author name="Peter J. Haas">
      <affiliation>Almaden Research Center; IBM Research Division</affiliation>
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   <dc:subject>Helen J. Wang,Joseph M. Hellerstein,Peter J. Haas Online Aggregation</dc:subject>
   <dc:description>Aggregation in traditional database systems is performed in
batch mode: a query is submitted, the system processes a
large volume of data over a long period of time, and, eventually,
the final answer is returned. This archaic approach is
frustrating to users and has been abandoned in most other
areas of computing. In this paper we propose a new online
aggregation interface that permits users to both observe the
progress of their aggregation queries and control execution
on the fly. After outlining usability and performance requirements
for a system supporting online aggregation, we
present a suite of techniques that extend a database system
to meet these requirements. These include methods for
returning the output in random order, for providing control
over the relative rate at which different aggregates are
computed, and for computing running confidence intervals.
Finally, we report on an initial implementation of online aggregation
in postgres.
1 Introduction
Aggregation is an incre...</dc:description>
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<header>
<identifier>oai:CiteSeerPSU:57</identifier>
<datestamp>1997-09-01</datestamp>
<setSpec>CiteSeerPSUset</setSpec>
</header>
<metadata>
<oai_citeseer:oai_citeseer xmlns:oai_citeseer="http://copper.ist.psu.edu/oai/oai_citeseer/" xmlns:dc ="http://purl.org/dc/elements/1.1/" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://copper.ist.psu.edu/oai/oai_citeseer/ http://copper.ist.psu.edu/oai/oai_citeseer.xsd ">
   <dc:title>Circulant preconditioners from B-splines</dc:title>
   <oai_citeseer:author name="Hai-wei Sun">
      <address>Guangzhou , People's Republic of China</address>
      <affiliation>Department of Mathematics and Physics , Guangdong University of Technology</affiliation>
   </oai_citeseer:author>
   <oai_citeseer:author name="Raymond H. Chan">
      <address>Hong Kong , P.R. China</address>
      <affiliation>Department of Mathematics , The Chinese University of Hong Kong; Shatin</affiliation>
   </oai_citeseer:author>
   <oai_citeseer:author name="T. M. Tso">
   </oai_citeseer:author>
   <dc:subject>Hai-wei Sun,Raymond H. Chan,T. M. Tso Circulant preconditioners from B-splines</dc:subject>
   <dc:description>In this paper, we propose a new family of circulant preconditioners for solving Toeplitz systems. They are based on
B-splines. The R. Chan and T. Chan preconditioners can be constructed from the first and the second order B-splines.
Numerical results show that preconditioners from higher-order B-splines perform much better than well-known ones
even in the cases where the Toeplitz matrices are ill-conditioned. Like that of the other circulant preconditioners, the
construction of B-spline preconditioners requires only the entries of the given Toeplitz matrix and does not require
an apriori knowledge of its generating function. Thus they are most suitable for applications where the generating
function of the given Toeplitz matrix is not known explicitly.
Keywords: B-spline, Preconditioner, Toeplitz matrix, Circulant matrix
1. INTRODUCTION
An n-by-n matrix An is said to be Toeplitz if it is constant along its diagonals:
An =
2
6
6
6
6
6
6
4
a 0 a Gamma1 Delta Delta Delta a 2Gamman...</dc:description>
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<header>
<identifier>oai:CiteSeerPSU:58</identifier>
<datestamp>1995-03-01</datestamp>
<setSpec>CiteSeerPSUset</setSpec>
</header>
<metadata>
<oai_citeseer:oai_citeseer xmlns:oai_citeseer="http://copper.ist.psu.edu/oai/oai_citeseer/" xmlns:dc ="http://purl.org/dc/elements/1.1/" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://copper.ist.psu.edu/oai/oai_citeseer/ http://copper.ist.psu.edu/oai/oai_citeseer.xsd ">
   <dc:title>Intelligent Computing About Complex Dynamical Systems</dc:title>
   <oai_citeseer:author name="Feng Zhao">
      <address>Columbus , OH 43210 U.S.A.</address>
      <affiliation>Laboratory for Artificial Intelligence Research and; Department of Computer and Information Science; The Ohio State University</affiliation>
   </oai_citeseer:author>
   <dc:subject>Feng Zhao Intelligent Computing About Complex Dynamical Systems</dc:subject>
   <dc:description>We develop computational mechanisms for intelligently simulating
nonlinear control systems. These mechanisms enhance numerical
simulations with deep domain knowledge of dynamical systems
theory and control theory, a qualitative phase-space representation
of dynamical systems, symbolic and geometric manipulation
capabilities, and a high-level interface. Programs equipped with
these capabilities are able to autonomously simulate a dynamical
system, analyze the simulation results, and utilize the analysis to
perform design tasks. We demonstrate the mechanisms with an
implemented computational environment called the Control Engineer
's Workbench.
Keywords. Qualitative reasoning, scientific computing, numeric/
symbolic processing, control system design.
1 Introduction
The purpose of computing is insight, not numbers.
--- R. W. Hamming
The research was partially supported, through the MIT AI Lab, in part by the Advanced
Research Projects Agency of the Department of Defense under Offic...</dc:description>
   <dc:contributor>The Pennsylvania State University CiteSeer Archives</dc:contributor>
   <dc:publisher>unknown</dc:publisher>
   <dc:date>1995-03-01</dc:date>
   <dc:format>ps</dc:format>
   <dc:identifier>http://citeseer.ist.psu.edu/58.html</dc:identifier>
   <dc:source>http://www.cis.ohio-state.edu/insight/papers/mcs.ps</dc:source>
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<header>
<identifier>oai:CiteSeerPSU:59</identifier>
<datestamp>1998-03-06</datestamp>
<setSpec>CiteSeerPSUset</setSpec>
</header>
<metadata>
<oai_citeseer:oai_citeseer xmlns:oai_citeseer="http://copper.ist.psu.edu/oai/oai_citeseer/" xmlns:dc ="http://purl.org/dc/elements/1.1/" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://copper.ist.psu.edu/oai/oai_citeseer/ http://copper.ist.psu.edu/oai/oai_citeseer.xsd ">
   <dc:title>OFDM Schemes with Non-Overlapping Time Waveforms</dc:title>
   <oai_citeseer:author name="Slimane Ben Slimane">
      <address>Royal Institute of Technology , 100 44 Stockholm , Sweden</address>
      <affiliation>Radio Communication Systems; Department of Signals , Sensors and Systems</affiliation>
   </oai_citeseer:author>
   <dc:subject>Slimane Ben Slimane OFDM Schemes with Non-Overlapping Time Waveforms</dc:subject>
   <dc:description>1
For Orthogonal Frequency Division Multiplexing
(OFDM) schemes, the time waveform plays a major role
not only in shaping the spectrum of the transmitted signal but
also in separating the signal subcarriers at the receiver. The
selection of such waveform is then very important and can
make a big difference in spectrum utilization and system performance.
The difficulty in using pulse shaping with OFDM
appears in the detector design since smooth time waveforms
destroy the orthogonality between subcarriers and introduce
Inter-Channel Interference (ICI).
This paper investigates the use of non-overlapping signal
waveforms for OFDM schemes. It is shown that pulse shaping
for such schemes can be equivalently achieved using a
discrete shaping matrix. Such shaping structure is very suitable
for digital implementation and can be combined with
OFDM schemes without affecting their IDFT/DFT operators.
It therefore makes the use of guard time interval (cyclic
prefix) for OFDM schemes possible with ...</dc:description>
   <dc:contributor>The Pennsylvania State University CiteSeer Archives</dc:contributor>
   <dc:publisher>unknown</dc:publisher>
   <dc:date>1998-03-06</dc:date>
   <dc:format>ps</dc:format>
   <dc:identifier>http://citeseer.ist.psu.edu/59.html</dc:identifier>
   <dc:source>http://www.s3.kth.se/radio/PUBLICATIONS/vtc98_bs.ps</dc:source>
   <dc:language>en</dc:language>
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   <dc:rights>unrestricted</dc:rights>
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<record>
<header>
<identifier>oai:CiteSeerPSU:60</identifier>
<datestamp>1998-10-09</datestamp>
<setSpec>CiteSeerPSUset</setSpec>
</header>
<metadata>
<oai_citeseer:oai_citeseer xmlns:oai_citeseer="http://copper.ist.psu.edu/oai/oai_citeseer/" xmlns:dc ="http://purl.org/dc/elements/1.1/" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://copper.ist.psu.edu/oai/oai_citeseer/ http://copper.ist.psu.edu/oai/oai_citeseer.xsd ">
   <dc:title>Using Constraints To Achieve Stability In Automatic Graph Layout Algorithms</dc:title>
   <oai_citeseer:author name="Frances Newbery Paulisch">
      <address>D-7500 Karlsruhe 1; West Germany</address>
      <affiliation>Institute for Informatics; University of Karlsruhe</affiliation>
   </oai_citeseer:author>
   <dc:subject>Frances Newbery Paulisch Using Constraints To Achieve Stability In Automatic Graph Layout Algorithms</dc:subject>
   <dc:description>Automatic layout algorithms are commonly used
when displaying graphs on the screen because they
provide a "nice" drawing of the graph without user
intervention. There are, however, a couple of disadvantages
to automatic layout. Without user intervention,
an automatic layout algorithm is only capable
of producing an aesthetically pleasing drawing of
the graph. User- or application-specified layout constraints
(often concerning the semantics of a graph)
are difficult or impossible to specify. A second problem
is that automatic layout algorithms seldom make
use of information in the current layout when calculating
the new layout. This can also be frustrating to
the user because whenever a new layout is done, the
user's orientation in the graph is lost.
This paper suggests using layout constraints to solve
both of these problems. We show how user-specified
layout constraints may be easily added to many automatic
graph layout algorithms. Additionally, the
constraints specified by the curren...</dc:description>
   <dc:contributor>The Pennsylvania State University CiteSeer Archives</dc:contributor>
   <dc:publisher>unknown</dc:publisher>
   <dc:date>1998-10-09</dc:date>
   <dc:format>ps</dc:format>
   <dc:identifier>http://citeseer.ist.psu.edu/60.html</dc:identifier>
   <dc:source>http://www.ee.washington.edu/faculty/karl/Publications/PS/SIGCHI90.ps.gz</dc:source>
   <dc:language>en</dc:language>
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<header>
<identifier>oai:CiteSeerPSU:61</identifier>
<datestamp>1997-02-24</datestamp>
<setSpec>CiteSeerPSUset</setSpec>
</header>
<metadata>
<oai_citeseer:oai_citeseer xmlns:oai_citeseer="http://copper.ist.psu.edu/oai/oai_citeseer/" xmlns:dc ="http://purl.org/dc/elements/1.1/" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://copper.ist.psu.edu/oai/oai_citeseer/ http://copper.ist.psu.edu/oai/oai_citeseer.xsd ">
   <dc:title>Some Conservative Stopping Rules for the Operational Testing of Safetycritical Software</dc:title>
   <oai_citeseer:author name="Bev Littlewood">
      <address>Northampton Square , London EC1V 0HB</address>
      <affiliation>Centre for Software Reliability; City University</affiliation>
   </oai_citeseer:author>
   <oai_citeseer:author name="David Wright">
      <address>Northampton Square , London EC1V 0HB</address>
      <affiliation>Centre for Software Reliability; City University</affiliation>
   </oai_citeseer:author>
   <dc:subject>Bev Littlewood,David Wright Some Conservative Stopping Rules for the Operational Testing of Safetycritical Software</dc:subject>
   <dc:description>: Operational testing, which aims to generate sequences of test cases
with the same statistical properties as those that would be experienced in real
operational use, can be used to obtain quantitative measures of the reliability of
software. In the case of safety critical software it is common to demand that all
known faults are removed. This means that if there is a failure during the
operational testing, the offending fault must be identified and removed. Thus an
operational test for safety critical software takes the form of a specified number
of test cases (or a specified period of working) that must be executed failurefree.
This paper addresses the problem of specifying the numbers of test cases
(or time periods) required for a test, when the previous test has terminated as a
result of a failure. It has been proposed that, after the obligatory fix of the
offending fault, the software should be treated as if it were completely novel,
and be required to pass exactly the same test a...</dc:description>
   <dc:contributor>The Pennsylvania State University CiteSeer Archives</dc:contributor>
   <dc:publisher>unknown</dc:publisher>
   <dc:date>1997-02-24</dc:date>
   <dc:format>ps</dc:format>
   <dc:identifier>http://citeseer.ist.psu.edu/61.html</dc:identifier>
   <dc:source>http://seine.pegasus.esprit.ec.org/deva/trs/../papers/04.ps</dc:source>
   <dc:language>en</dc:language>
   <oai_citeseer:relation type="Is Referenced By">
      <oai_citeseer:uri>oai:CiteSeerPSU:6</oai_citeseer:uri>
   </oai_citeseer:relation>
   <dc:rights>unrestricted</dc:rights>
</oai_citeseer:oai_citeseer>
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<record>
<header>
<identifier>oai:CiteSeerPSU:62</identifier>
<datestamp>1999-02-01</datestamp>
<setSpec>CiteSeerPSUset</setSpec>
</header>
<metadata>
<oai_citeseer:oai_citeseer xmlns:oai_citeseer="http://copper.ist.psu.edu/oai/oai_citeseer/" xmlns:dc ="http://purl.org/dc/elements/1.1/" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://copper.ist.psu.edu/oai/oai_citeseer/ http://copper.ist.psu.edu/oai/oai_citeseer.xsd ">
   <dc:title>Foreign Event Handlers to Maintain Information Consistency and System Adequacy</dc:title>
   <oai_citeseer:author name="Queloz Pierre-antoine">
   </oai_citeseer:author>
   <dc:subject>Queloz Pierre-antoine Foreign Event Handlers to Maintain Information Consistency and System Adequacy</dc:subject>
   <dc:description>this paper is to describe novel applications of Mobile Code technology which have
not appeared yet but should be feasible with our current knowledge of the domain. These new
applications contradict the often-made observation that Mobile Code is just another technique that
does not really bring much more possibilities than existing technologies for distributed applications.
There is a whole class of problems that have not received much attention yet and that are not
well managed by current environments. These are the problems of maintaining consistency of
dynamic information and maintaining systems in adequacy with the ever changing requirements
of customers.
Our motivation is that, besides the quantitative improvements that most people expect from
using Mobile Code, there is also a qualitative benefit which is even more important but not universally
recognized now: Mobile Code allows communication with less conventions than message
passing [5, 3]. Processes interconnected by Mobile Code still have to agree on high level encoding
and synchronization primitives but these agreements are only a fraction of what is necessary
to communicate. Many context dependent aspects can be encapsulated inside Mobile Code and
changed when the context changes. Encapsulation has the same benefits here as in other software
engineering domains: it reduces the dependency between components, thus reducing the number
of modifications that we must make to software in order to adapt it to new requirements. For
this reason we think that it is the best way to cope with systems that are distributed, hence not
manageable by a single person or organization; that are dynamic, because the information they
contain must change when the world itself changes; and that are evolving since the users discover
n...</dc:description>
   <dc:contributor>The Pennsylvania State University CiteSeer Archives</dc:contributor>
   <dc:publisher>unknown</dc:publisher>
   <dc:date>1999-02-01</dc:date>
   <dc:format>ps</dc:format>
   <dc:identifier>http://citeseer.ist.psu.edu/62.html</dc:identifier>
   <dc:source>http://cuiwww.unige.ch/~queloz/papers/mac3.1999.ps.gz</dc:source>
   <dc:language>en</dc:language>
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<header>
<identifier>oai:CiteSeerPSU:63</identifier>
<datestamp>1996-02-08</datestamp>
<setSpec>CiteSeerPSUset</setSpec>
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<metadata>
<oai_citeseer:oai_citeseer xmlns:oai_citeseer="http://copper.ist.psu.edu/oai/oai_citeseer/" xmlns:dc ="http://purl.org/dc/elements/1.1/" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://copper.ist.psu.edu/oai/oai_citeseer/ http://copper.ist.psu.edu/oai/oai_citeseer.xsd ">
   <dc:title>Integrating Temporal, Real-Time, and Active Databases</dc:title>
   <oai_citeseer:author name="Don T. Towsley">
      <address>Amherst MA 01003-4610</address>
      <affiliation>Department of Computer Science; University of Massachusetts</affiliation>
   </oai_citeseer:author>
   <oai_citeseer:author name="John A. Stankovic">
      <address>Amherst MA 01003-4610</address>
      <affiliation>Department of Computer Science; University of Massachusetts</affiliation>
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   <oai_citeseer:author name="Krithi Ramamritham">
      <address>Amherst MA 01003-4610</address>
      <affiliation>Department of Computer Science; University of Massachusetts</affiliation>
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   <oai_citeseer:author name="Ming Xiong">
      <address>Amherst MA 01003-4610</address>
      <affiliation>Department of Computer Science; University of Massachusetts</affiliation>
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   <oai_citeseer:author name="Raju Sivasankaran">
      <address>Amherst MA 01003-4610</address>
      <affiliation>Department of Computer Science; University of Massachusetts</affiliation>
   </oai_citeseer:author>
   <dc:subject>Don T. Towsley,John A. Stankovic,Krithi Ramamritham,Ming Xiong,Raju Sivasankaran Integrating Temporal, Real-Time, and Active Databases</dc:subject>
   <dc:description>To meet the needs of many real-world control applications,
concepts from Temporal, Real-Time, and Active Databases must
be integrated:
ffl Since the system's data is supposedto reflect the environment
being controlled, they must be updated frequently to maintain
temporal validity;
ffl Many activities, including those that perform the updates,
work under time constraints;
ffl The occurrence of events, for example, emergency events,
trigger actions.
In these systems, meeting timeliness, predictability, and QoS
guarantee requirements -- through appropriate resource and
overload management -- become very important. So, algorithms
and protocols for concurrency control, recovery, and scheduling
are needed. These algorithms must exploit semantics of the data
and the transactions to be responsive and efficient. Whereas time
cognizant scheduling,concurrency control and conflict resolution
have been studied in the literature, recovery issues have not. We
have developed strategies for data pl...</dc:description>
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<header>
<identifier>oai:CiteSeerPSU:64</identifier>
<datestamp>1994-11-10</datestamp>
<setSpec>CiteSeerPSUset</setSpec>
</header>
<metadata>
<oai_citeseer:oai_citeseer xmlns:oai_citeseer="http://copper.ist.psu.edu/oai/oai_citeseer/" xmlns:dc ="http://purl.org/dc/elements/1.1/" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://copper.ist.psu.edu/oai/oai_citeseer/ http://copper.ist.psu.edu/oai/oai_citeseer.xsd ">
   <dc:title>A Yet More Efficient Algorithm To Compute The Synchronized Product</dc:title>
   <oai_citeseer:author name="B. Le Charlier">
      <address>21 rue Grandgagnage , B-5000 Namur; Belgium.</address>
      <affiliation>Institute of Computer Science</affiliation>
   </oai_citeseer:author>
   <oai_citeseer:author name="Baudouin Le Charlier">
   </oai_citeseer:author>
   <oai_citeseer:author name="Denis Zampunieris">
   </oai_citeseer:author>
   <oai_citeseer:author name="Facult Es Universitaires">
      <address>Rue Grandgagnage , 21; B-5000 Namur; BELGIUM</address>
      <affiliation>Notre-Dame de la Paix Namur , Belgium; Institut d'Informatique</affiliation>
   </oai_citeseer:author>
   <dc:subject>B. Le Charlier,Baudouin Le Charlier,Denis Zampunieris,Facult Es Universitaires A Yet More Efficient Algorithm To Compute The Synchronized Product</dc:subject>
   <dc:description>Computing all the reachable states of synchronized automata is important in the mechanical verification of concurrent programs. It is however a hard task because this set of states grows typically exponentialy in the number of automata involved. We present a new approach that yields interesting experimental results, both in memory requirements and computation times. It uses a new data structure, the sharing tree, which allows to store large sets of states in a compact way. Moreover, we have designed algorithms that use global operations and caching on the data structure itself.</dc:description>
   <dc:contributor>The Pennsylvania State University CiteSeer Archives</dc:contributor>
   <dc:publisher>unknown</dc:publisher>
   <dc:date>1994-11-10</dc:date>
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   <dc:identifier>http://citeseer.ist.psu.edu/64.html</dc:identifier>
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<header>
<identifier>oai:CiteSeerPSU:65</identifier>
<datestamp>1995-06-08</datestamp>
<setSpec>CiteSeerPSUset</setSpec>
</header>
<metadata>
<oai_citeseer:oai_citeseer xmlns:oai_citeseer="http://copper.ist.psu.edu/oai/oai_citeseer/" xmlns:dc ="http://purl.org/dc/elements/1.1/" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://copper.ist.psu.edu/oai/oai_citeseer/ http://copper.ist.psu.edu/oai/oai_citeseer.xsd ">
   <dc:title>Cspack Client-Server Routines And Utilities</dc:title>
   <oai_citeseer:author name="Cspack Client Server Package">
      <address>; Copyright CERN , Geneva 1995; Switzerland</address>
      <affiliation>; CERN-CN Division</affiliation>
   </oai_citeseer:author>
   <dc:subject>Cspack Client Server Package Cspack Client-Server Routines And Utilities</dc:subject>
   <dc:description>This document has been produced using L A T
E
X [1] with the CERNMAN style option. All pictures shown are
produced with PAW and are included in PostScript [2] format in the manual.
Throughout this manual, commands to be entered are underlined
Acknowledgements
Many people have contributed to the CSPACK package. The main authors are: Rene Brun, Olivier Couet,
Mike Gerard, Frederic Hemmer, Burkhard Holl, Catherine Magnin, Ben Segal, Jamie Shiers, Jonathan
Wood (Rutherford Appleton Laboratory, UK)
The author is grateful to the many people who contributed to the CSPACK project, through discussions
or by providing code and assistance.
I am particularly grateful to Michel Goossens as document editor.
Related Documents</dc:description>
   <dc:contributor>The Pennsylvania State University CiteSeer Archives</dc:contributor>
   <dc:publisher>unknown</dc:publisher>
   <dc:date>1995-06-08</dc:date>
   <dc:format>ps</dc:format>
   <dc:identifier>http://citeseer.ist.psu.edu/65.html</dc:identifier>
   <dc:source>http://wwwinfo.cern.ch/asdoc/./psdir/cspack.ps.gz</dc:source>
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<header>
<identifier>oai:CiteSeerPSU:66</identifier>
<datestamp>1998-08-13</datestamp>
<setSpec>CiteSeerPSUset</setSpec>
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<metadata>
<oai_citeseer:oai_citeseer xmlns:oai_citeseer="http://copper.ist.psu.edu/oai/oai_citeseer/" xmlns:dc ="http://purl.org/dc/elements/1.1/" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://copper.ist.psu.edu/oai/oai_citeseer/ http://copper.ist.psu.edu/oai/oai_citeseer.xsd ">
   <dc:title>Topic Detection and Tracking Pilot Study</dc:title>
   <oai_citeseer:author name="George Doddington">
      <affiliation>DARPA,</affiliation>
   </oai_citeseer:author>
   <oai_citeseer:author name="Jaime Carbonell">
      <affiliation>DARPA,</affiliation>
   </oai_citeseer:author>
   <oai_citeseer:author name="James Allan">
      <affiliation>DARPA,</affiliation>
   </oai_citeseer:author>
   <oai_citeseer:author name="Jonathan Yamron">
      <affiliation>DARPA,</affiliation>
   </oai_citeseer:author>
   <oai_citeseer:author name="Umass Amherst">
      <affiliation>DARPA,</affiliation>
   </oai_citeseer:author>
   <oai_citeseer:author name="Yiming Yang">
      <affiliation>DARPA,</affiliation>
   </oai_citeseer:author>
   <dc:subject>George Doddington,Jaime Carbonell,James Allan,Jonathan Yamron,Umass Amherst,Yiming Yang Topic Detection and Tracking Pilot Study</dc:subject>
   <dc:description>Topic Detection and Tracking (TDT) is a DARPA-sponsored initiative to investigate the state of the art in finding and following new events in a stream of broadcast news stories. The TDT problem consists of three major tasks: (1) segmenting a stream of data, especially recognized speech, into distinct stories; (2) identifying those news stories that are the first to discuss a new event occurring in the news; and (3) given a small number of sample news stories about an event, finding all following stories in the stream. The TDT Pilot Study ran from September 1996 through October 1997. The primary participants were DARPA, Carnegie Mellon University, Dragon Systems, and the University of Massachusetts at Amherst. This report summarizes the findings of the pilot study. The TDT work continues in a new project involving larger training and test corpora, more active participants, and a more broadly defined notion of "topic" than was used in the pilot study. The following individuals participat...</dc:description>
   <dc:contributor>The Pennsylvania State University CiteSeer Archives</dc:contributor>
   <dc:publisher>unknown</dc:publisher>
   <dc:date>1998-08-13</dc:date>
   <dc:format>ps</dc:format>
   <dc:identifier>http://citeseer.ist.psu.edu/66.html</dc:identifier>
   <dc:source>http://www.cs.cmu.edu/~yiming/papers.yy/tdt1-final-report.ps</dc:source>
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<header>
<identifier>oai:CiteSeerPSU:67</identifier>
<datestamp>1997-12-16</datestamp>
<setSpec>CiteSeerPSUset</setSpec>
</header>
<metadata>
<oai_citeseer:oai_citeseer xmlns:oai_citeseer="http://copper.ist.psu.edu/oai/oai_citeseer/" xmlns:dc ="http://purl.org/dc/elements/1.1/" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://copper.ist.psu.edu/oai/oai_citeseer/ http://copper.ist.psu.edu/oai/oai_citeseer.xsd ">
   <dc:title>Human Gait Classification Based on Hidden Markov Models</dc:title>
   <oai_citeseer:author name="Dorthe Meyer">
      <address>Martenstr . 3 , D-91058 Erlangen , Germany</address>
      <affiliation>Universit at Erlangen--N urnberg; Lehrstuhl f ur Mustererkennung (Informatik 5)</affiliation>
   </oai_citeseer:author>
   <dc:subject>Dorthe Meyer Human Gait Classification Based on Hidden Markov Models</dc:subject>
   <dc:description>This paper describes a system for automatic gait
analysis. In most clinical systems markers are
used to determine the trajectories. We use a system
for object recognition without segmentation
to track body parts. From these trajectories periodic
features are extracted. Another method to
determine feature vectors is based on the optical
flow computed by monotony operators. Both
methods do not presume any markers. They are
used here to produce sequences of feature vectors.
These sequences of feature vectors are regarded as
random variables. They are used to train hidden
Markov models for different kinds of gait. The
models will be used for gait classification.
1 Introduction
Application of gait analysis can be found in several
fields, for example medical diagnosis, physical
therapy and sports. It is used to receive information
about gait disorders of patients with knee or
hip pain, or tumors. It is also possible to control
cycles of motion for rehabilitation or training.
To analyze huma...</dc:description>
   <dc:contributor>The Pennsylvania State University CiteSeer Archives</dc:contributor>
   <dc:publisher>unknown</dc:publisher>
   <dc:date>1997-12-16</dc:date>
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   <dc:source>http://www5.informatik.uni-erlangen.de/TeX/Literatur/ps-dir/1997/Meyer97:HGC.ps.gz</dc:source>
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<header>
<identifier>oai:CiteSeerPSU:68</identifier>
<datestamp>1998-08-24</datestamp>
<setSpec>CiteSeerPSUset</setSpec>
</header>
<metadata>
<oai_citeseer:oai_citeseer xmlns:oai_citeseer="http://copper.ist.psu.edu/oai/oai_citeseer/" xmlns:dc ="http://purl.org/dc/elements/1.1/" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://copper.ist.psu.edu/oai/oai_citeseer/ http://copper.ist.psu.edu/oai/oai_citeseer.xsd ">
   <dc:title>Nozomi - A Fast, Memory-Efficient Stack Decoder For Lvcsr</dc:title>
   <oai_citeseer:author name="Mike Schuster">
      <address>2-2 Hikari-dai , Seika-cho , Soraku-gun , Kyoto 619-0288</address>
      <affiliation>ATR , Interpreting Telecommunications Research Lab.</affiliation>
   </oai_citeseer:author>
   <dc:subject>Mike Schuster Nozomi - A Fast, Memory-Efficient Stack Decoder For Lvcsr</dc:subject>
   <dc:description>This paper describes some of the implementation details
of the "Nozomi"
1
stack decoder for LVCSR. The decoder
was tested on a Japanese Newspaper Dictation Task using
a 5000 word vocabulary. Using continuous density
acoustic models with 2000 and 3000 states trained on the
JNAS/ASJ corpora and a 3-gram LM trained on the RWC
text corpus, both models provided by the IPA group [7],
it was possible to reach more than 95% word accuracy on
the standard test set. With computationally cheap acoustic
models we could achieve around 89% accuracy in nearly
realtime on a 300 Mhz Pentium II. Using a disk-based LM
the memory usage could be optimized to 4 MB in total.
1. INTRODUCTION
LVCSR is currently limited to workstations and fast highend
laptops with a lot of memory. To make LVCSR work on
PDAs, cellular phones, user-interfaces, wrist watches etc.,
it is necessary find time- and memory-efficient algorithms.
The goal for implementation of any search engine must be
to minimize time and memory requ...</dc:description>
   <dc:contributor>The Pennsylvania State University CiteSeer Archives</dc:contributor>
   <dc:publisher>unknown</dc:publisher>
   <dc:date>1998-08-24</dc:date>
   <dc:format>ps</dc:format>
   <dc:identifier>http://citeseer.ist.psu.edu/68.html</dc:identifier>
   <dc:source>http://www.aist-nara.ac.jp/IS/Shikano-lab/staff/1996/mike-s/papers/icslp98.ps.gz</dc:source>
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<header>
<identifier>oai:CiteSeerPSU:69</identifier>
<datestamp>1997-02-13</datestamp>
<setSpec>CiteSeerPSUset</setSpec>
</header>
<metadata>
<oai_citeseer:oai_citeseer xmlns:oai_citeseer="http://copper.ist.psu.edu/oai/oai_citeseer/" xmlns:dc ="http://purl.org/dc/elements/1.1/" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://copper.ist.psu.edu/oai/oai_citeseer/ http://copper.ist.psu.edu/oai/oai_citeseer.xsd ">
   <dc:title>Scheduling Access To Temporal Data In Real-Time Databases</dc:title>
   <oai_citeseer:author name="And Don Towsley">
      <address>Amherst , MA 01003 , USA</address>
      <affiliation>Department of Computer Science , University of Massachusetts,</affiliation>
   </oai_citeseer:author>
   <oai_citeseer:author name="John A. Stankovic">
      <address>Amherst , MA 01003 , USA</address>
      <affiliation>Department of Computer Science , University of Massachusetts,</affiliation>
   </oai_citeseer:author>
   <oai_citeseer:author name="Krithi Ramamritham">
      <address>Amherst , MA 01003 , USA</address>
      <affiliation>Department of Computer Science , University of Massachusetts,</affiliation>
   </oai_citeseer:author>
   <oai_citeseer:author name="Ming Xiong">
      <address>Amherst , MA 01003 , USA</address>
      <affiliation>Department of Computer Science , University of Massachusetts,</affiliation>
   </oai_citeseer:author>
   <oai_citeseer:author name="Rajendran Sivasankaran">
      <address>Amherst , MA 01003 , USA</address>
      <affiliation>Department of Computer Science , University of Massachusetts,</affiliation>
   </oai_citeseer:author>
   <dc:subject>And Don Towsley,John A. Stankovic,Krithi Ramamritham,Ming Xiong,Rajendran Sivasankaran Scheduling Access To Temporal Data In Real-Time Databases</dc:subject>
   <dc:description>INTRODUCTION
A real-time database system is a transaction processing system designed to
handle workloads in which transactions have deadlines. However, many realworld
applications involve not only transactions with time constraints, but also
data with time constraints. Such data, typically obtained from sensors, become
inaccurate with the passage of time. Examples of such applications include
autopilot systems, robot navigation, and program stock trading [14]. While
considerable work has been done on real-time databases, most of it assumes
that only transactions have deadlines [1, 7]. New solutions that consider data
time constraints are required for both concurrency control and cpu scheduling.
In this chapter, new solutions are presented based on data-deadlines and time
cognizant forced wait policies. Informally, data-deadline can be viewed as the
deadline that a transaction implicitly gets due to the temporal constraints of
the data accessed by the transaction. When a transa</dc:description>
   <dc:contributor>The Pennsylvania State University CiteSeer Archives</dc:contributor>
   <dc:publisher>unknown</dc:publisher>
   <dc:date>1997-02-13</dc:date>
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   <dc:identifier>http://citeseer.ist.psu.edu/69.html</dc:identifier>
   <dc:source>http://www-ccs.cs.umass.edu/~sim/rtdb-chapter96.ps</dc:source>
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<record>
<header>
<identifier>oai:CiteSeerPSU:70</identifier>
<datestamp>1997-04-29</datestamp>
<setSpec>CiteSeerPSUset</setSpec>
</header>
<metadata>
<oai_citeseer:oai_citeseer xmlns:oai_citeseer="http://copper.ist.psu.edu/oai/oai_citeseer/" xmlns:dc ="http://purl.org/dc/elements/1.1/" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://copper.ist.psu.edu/oai/oai_citeseer/ http://copper.ist.psu.edu/oai/oai_citeseer.xsd ">
   <dc:title>A Nonprehensile Method for Reliable Parts Orienting</dc:title>
   <oai_citeseer:author name="Nina Barrameda Zumel">
      <affiliation>The Robotics Institute; Carnegie Mellon University</affiliation>
   </oai_citeseer:author>
   <dc:subject>Nina Barrameda Zumel A Nonprehensile Method for Reliable Parts Orienting</dc:subject>
   <dc:description>Prehension may be defined as "The act of taking hold, seizing or grasping, as with the hand" (Webster's 3rd
International Dictionary). Nonprehensile manipulation, then, can be defined as the manipulation of objects
without grasping them. Manipulation without prehension is a natural way of handling objects for both humans
and machines. The ability to manipulate objects which may not be graspable increases the flexibility of a
robot interacting with its environment, without adding complexity to the mechanical design. This research
analyses the mechanics of nonprehensile contact between a simple, two degree of freedom manipulator and a
part. The intent is to develop reliable but sensorless manipulation routines for use in an automated assembly
environment. While nonprehensile, sensorless devices are in common use in such environments, existing parts
orienting devices, such as bowl feeders or the SONY Automatic Parts Orienting System, must be custom
designed for each specific task. To decr...</dc:description>
   <dc:contributor>The Pennsylvania State University CiteSeer Archives</dc:contributor>
   <dc:publisher>unknown</dc:publisher>
   <dc:date>1997-04-29</dc:date>
   <dc:format>ps</dc:format>
   <dc:identifier>http://citeseer.ist.psu.edu/70.html</dc:identifier>
   <dc:source>http://pecan.srv.cs.cmu.edu/afs/cs.cmu.edu/misc/mosaic/common/omega/Web/People/mlab/papers/nbz-summary.ps</dc:source>
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<header>
<identifier>oai:CiteSeerPSU:71</identifier>
<datestamp>1996-10-20</datestamp>
<setSpec>CiteSeerPSUset</setSpec>
</header>
<metadata>
<oai_citeseer:oai_citeseer xmlns:oai_citeseer="http://copper.ist.psu.edu/oai/oai_citeseer/" xmlns:dc ="http://purl.org/dc/elements/1.1/" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://copper.ist.psu.edu/oai/oai_citeseer/ http://copper.ist.psu.edu/oai/oai_citeseer.xsd ">
   <dc:title>Noise Removal Via Bayesian Wavelet Coring</dc:title>
   <oai_citeseer:author name="Edward H. Adelson">
      <address>Cambridge , MA 02139</address>
      <affiliation>Brain and Cognitive Science Dept.; Massachusetts Institute of Technology</affiliation>
   </oai_citeseer:author>
   <oai_citeseer:author name="Eero P. Simoncelli">
      <address>Philadelphia , PA 19104</address>
      <affiliation>Computer and Information Science Dept.; University of Pennsylvania</affiliation>
   </oai_citeseer:author>
   <dc:subject>Edward H. Adelson,Eero P. Simoncelli Noise Removal Via Bayesian Wavelet Coring</dc:subject>
   <dc:description>this paper, we ignore the off-diagonal terms of
the covariance matrix.</dc:description>
   <dc:contributor>The Pennsylvania State University CiteSeer Archives</dc:contributor>
   <dc:publisher>unknown</dc:publisher>
   <dc:date>1996-10-20</dc:date>
   <dc:format>ps</dc:format>
   <dc:identifier>http://citeseer.ist.psu.edu/71.html</dc:identifier>
   <dc:source>http://www.isds.duke.edu/~brani/wp/Eero.ps</dc:source>
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<header>
<identifier>oai:CiteSeerPSU:72</identifier>
<datestamp>1995-11-03</datestamp>
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</header>
<metadata>
<oai_citeseer:oai_citeseer xmlns:oai_citeseer="http://copper.ist.psu.edu/oai/oai_citeseer/" xmlns:dc ="http://purl.org/dc/elements/1.1/" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://copper.ist.psu.edu/oai/oai_citeseer/ http://copper.ist.psu.edu/oai/oai_citeseer.xsd ">
   <dc:title>Pitch Determination Considering Laryngealization Effects In Spoken Dialogs</dc:title>
   <oai_citeseer:author name="A. Kiessling">
   </oai_citeseer:author>
   <oai_citeseer:author name="B. Kahles">
   </oai_citeseer:author>
   <oai_citeseer:author name="E. Noth">
   </oai_citeseer:author>
   <oai_citeseer:author name="H. Niemann">
   </oai_citeseer:author>
   <oai_citeseer:author name="J. Denzler">
   </oai_citeseer:author>
   <oai_citeseer:author name="R. Kompe">
   </oai_citeseer:author>
   <oai_citeseer:author name="V. Strom">
   </oai_citeseer:author>
   <dc:subject>A. Kiessling,B. Kahles,E. Noth,H. Niemann,J. Denzler,R. Kompe,V. Strom Pitch Determination Considering Laryngealization Effects In Spoken Dialogs</dc:subject>
   <dc:description>A frequent phenomenon in spoken dialogs of the
information seeking type are short elliptic utterances whose
mood (declarative or interrogative) can only be distinguished
by intonation. The main acoustic evidence is conveyed by
the fundamental frequency or F0--contour.
Many algorithms for F0 determination have been reported
in the literature. A common problem are irregularities of
speech known as `laryngealizations'. This article describes
an approach based on neural network techniques for the
improved determination of fundamental frequency. First,
an improved version of our neural network algorithm for
reconstruction of the voice source signal (glottis signal) is
presented. Second, the reconstructed voice source signal
is used as input to another neural network distinguishing
the three classes `voiceless', `voiced non--laryngealized', and
`voiced laryngealized'. Third, the results are used to improve
an existing F0 algorithm.
Results of this approach are presented and discussed in
the...</dc:description>
   <dc:contributor>The Pennsylvania State University CiteSeer Archives</dc:contributor>
   <dc:publisher>unknown</dc:publisher>
   <dc:date>1995-11-03</dc:date>
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   <dc:identifier>http://citeseer.ist.psu.edu/72.html</dc:identifier>
   <dc:source>http://www5.informatik.uni-erlangen.de/TeX/Literatur/ps-dir/1994/Niemann94:PDCa.ps.gz</dc:source>
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<header>
<identifier>oai:CiteSeerPSU:73</identifier>
<datestamp>1999-01-04</datestamp>
<setSpec>CiteSeerPSUset</setSpec>
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<metadata>
<oai_citeseer:oai_citeseer xmlns:oai_citeseer="http://copper.ist.psu.edu/oai/oai_citeseer/" xmlns:dc ="http://purl.org/dc/elements/1.1/" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://copper.ist.psu.edu/oai/oai_citeseer/ http://copper.ist.psu.edu/oai/oai_citeseer.xsd ">
   <dc:title>Prescriptions for Off-Shell Bosonic String Amplitudes</dc:title>
   <oai_citeseer:author name="Antonella Liccardo">
      <address>Mostra d'Oltremare , pad . 19 , I-80125 Napoli , Italy</address>
      <affiliation>Dipartimento di Scienze Fisiche , Universit`a di Napoli; and I.N.F.N. , Sezione di Napoli,</affiliation>
   </oai_citeseer:author>
   <oai_citeseer:author name="Franco Pezzella">
      <address>Mostra d'Oltremare , pad . 19 , I-80125 Napoli , Italy</address>
      <affiliation>Dipartimento di Scienze Fisiche , Universit`a di Napoli; and I.N.F.N. , Sezione di Napoli,</affiliation>
   </oai_citeseer:author>
   <oai_citeseer:author name="R. Marotta">
      <address>Nordita , Blegdamsvej 17 , DK-2100 Copenhagen &#216; , Denmark</address>
   </oai_citeseer:author>
   <oai_citeseer:author name="Roberto Pettorino">
      <address>Mostra d'Oltremare , pad . 19 , I-80125 Napoli , Italy</address>
      <affiliation>Dipartimento di Scienze Fisiche , Universit`a di Napoli; and I.N.F.N. , Sezione di Napoli,</affiliation>
   </oai_citeseer:author>
   <dc:subject>Antonella Liccardo,Franco Pezzella,R. Marotta,Roberto Pettorino Prescriptions for Off-Shell Bosonic String Amplitudes</dc:subject>
   <dc:description>We give, in the framework of the bosonic string theory, simple prescriptions
for computing, at tree and one-loop levels, off-shell string amplitudes for open and
closed string massless states. In particular we obtain a tree amplitude for three open
strings that in the field theory limit coincides with the three-gluon vertex in the
usual covariant gauge and two-string one-loop amplitudes satisfying the property
of transversality.
1
Talk delivered by one of the authors (R. M.) at the Mid-Term TMR meeting, Corf`u (Greece), 20-26
September 1998. Work partially supported by the European Commission TMR programme ERBFMRXCT96
-0045 (Nordita-Copenhagen and Universit`a di Napoli).
2
e-mail: Name.Surname@na.infn.it
3
e-mail:marotta@nbivms.nbi.dk
Perturbative calculations in string theories involve scattering amplitudes with onshell
physical external states. The underlying conformal (and superconformal) invariance
imposes that vertex operators have to be primary fields and this condition co...</dc:description>
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<record>
<header>
<identifier>oai:CiteSeerPSU:74</identifier>
<datestamp>1998-07-15</datestamp>
<setSpec>CiteSeerPSUset</setSpec>
</header>
<metadata>
<oai_citeseer:oai_citeseer xmlns:oai_citeseer="http://copper.ist.psu.edu/oai/oai_citeseer/" xmlns:dc ="http://purl.org/dc/elements/1.1/" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://copper.ist.psu.edu/oai/oai_citeseer/ http://copper.ist.psu.edu/oai/oai_citeseer.xsd ">
   <dc:title>Strong Duality for a Trust-Region Type Relaxation of the Quadratic Assignment Problem</dc:title>
   <oai_citeseer:author name="Henry Wolkowicz">
      <address>Waterloo , Ontario N2L 3G1 , Canada</address>
      <affiliation>University of Waterloo; Department of Combinatorics and Optimization</affiliation>
   </oai_citeseer:author>
   <oai_citeseer:author name="Kurt Anstreicher">
      <address>Waterloo , Ontario N2L 3G1 , Canada</address>
      <affiliation>University of Waterloo; Department of Combinatorics and Optimization</affiliation>
   </oai_citeseer:author>
   <oai_citeseer:author name="Xin Chen">
      <address>Waterloo , Ontario N2L 3G1 , Canada</address>
      <affiliation>University of Waterloo; Department of Combinatorics and Optimization</affiliation>
   </oai_citeseer:author>
   <oai_citeseer:author name="Ya-xiang Yuan">
      <address>Waterloo , Ontario N2L 3G1 , Canada</address>
      <affiliation>University of Waterloo; Department of Combinatorics and Optimization</affiliation>
   </oai_citeseer:author>
   <dc:subject>Henry Wolkowicz,Kurt Anstreicher,Xin Chen,Ya-xiang Yuan Strong Duality for a Trust-Region Type Relaxation of the Quadratic Assignment Problem</dc:subject>
   <dc:description>Lagrangian duality underlies many efficient algorithms for convex minimization problems.
A key ingredient is strong duality. Lagrangian relaxation also provides lower bounds
for nonconvex problems, where the quality of the lower bound depends on the duality
gap. Quadratically constrained quadratic programs (QQPs) provide important examples
of nonconvex programs. For the simple case of one quadratic constraint (the trust region
subproblem) strong duality holds. In addition, necessary and sufficient (strengthened)
second order optimality conditions exist. However, these duality results already fail for
the two trust region subproblem.
Surprisingly, there are classes of more complex, nonconvex QQPs where strong duality
holds. One example is the special case of orthogonality constraints, which arise
naturally in relaxations for the quadratic assignment problem (QAP). In this paper we
show that strong duality also holds for a relaxation of QAP where the orthogonality
constraint is replaced ...</dc:description>
   <dc:contributor>The Pennsylvania State University CiteSeer Archives</dc:contributor>
   <dc:publisher>unknown</dc:publisher>
   <dc:date>1998-07-15</dc:date>
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   <dc:identifier>http://citeseer.ist.psu.edu/74.html</dc:identifier>
   <dc:source>http://orion.math.uwaterloo.ca/~hwolkowi/henry/reports/sdptrsqap.ps.gz</dc:source>
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<identifier>oai:CiteSeerPSU:75</identifier>
<datestamp>1995-06-13</datestamp>
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   <dc:title>Working Memory and Dyslexia</dc:title>
   <oai_citeseer:author name="Alan D. Baddeley">
      <affiliation>MRC Applied Psychology Unit; University of Sheffield Cambridge</affiliation>
   </oai_citeseer:author>
   <oai_citeseer:author name="Angela J. Fawcett">
      <affiliation>MRC Applied Psychology Unit; University of Sheffield Cambridge</affiliation>
   </oai_citeseer:author>
   <oai_citeseer:author name="Roderick I. Nicolson">
      <affiliation>MRC Applied Psychology Unit; University of Sheffield Cambridge</affiliation>
   </oai_citeseer:author>
   <dc:subject>Alan D. Baddeley,Angela J. Fawcett,Roderick I. Nicolson Working Memory and Dyslexia</dc:subject>
   <dc:description>Recent research has demonstrated that dyslexic children suffer impairments in
both phonological skills and in working memory performance. In principle
either a phonological deficit or a working memory deficit could underlie both
sets of symptoms. This issue was addressed via a series of experiments
designed to explore the relationships between dyslexia, age, phonological
performance and working memory. Two groups of dyslexic children
participated, with mean ages 15 and 11 years respectively, together with three
groups of non-dyslexic children (mean ages 15, 11 and 8 years) matched for IQ
with the dyslexic children and selected so as to provide both chronological and
reading age controls for the two dyslexic groups. The performance of the older
dyslexics across the range of tasks was slightly but not significantly worse than
their chronological age controls and indistinguishable from that of their reading
age controls. By contrast, the performance of the younger dyslexics was
significan...</dc:description>
   <dc:contributor>The Pennsylvania State University CiteSeer Archives</dc:contributor>
   <dc:publisher>unknown</dc:publisher>
   <dc:date>1995-06-13</dc:date>
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<header>
<identifier>oai:CiteSeerPSU:76</identifier>
<datestamp>1998-09-12</datestamp>
<setSpec>CiteSeerPSUset</setSpec>
</header>
<metadata>
<oai_citeseer:oai_citeseer xmlns:oai_citeseer="http://copper.ist.psu.edu/oai/oai_citeseer/" xmlns:dc ="http://purl.org/dc/elements/1.1/" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://copper.ist.psu.edu/oai/oai_citeseer/ http://copper.ist.psu.edu/oai/oai_citeseer.xsd ">
   <dc:title>The Measurement of Textual Coherence with Latent Semantic Analysis</dc:title>
   <oai_citeseer:author name="Peter W. Foltz">
      <affiliation>New Mexico State University</affiliation>
   </oai_citeseer:author>
   <oai_citeseer:author name="Thomas K. L">
      <address>Foltz , P. W. , Kintsch , W. Landauer , T. K. (1998). The measurement of textual; coherence with Latent Semantic Analysis . Discourse Processes , 25 , 23 , 285-307.</address>
      <affiliation>University of Colorado</affiliation>
   </oai_citeseer:author>
   <oai_citeseer:author name="Walter Kintsch">
      <address>Foltz , P. W. , Kintsch , W. Landauer , T. K. (1998). The measurement of textual; coherence with Latent Semantic Analysis . Discourse Processes , 25 , 23 , 285-307.</address>
      <affiliation>University of Colorado</affiliation>
   </oai_citeseer:author>
   <dc:subject>Peter W. Foltz,Thomas K. L,Walter Kintsch The Measurement of Textual Coherence with Latent Semantic Analysis</dc:subject>
   <dc:description>Latent Semantic Analysis is used as a technique for measuring the coherence of texts. By comparing the vectors for two adjoining segments of text in a highdimensional semantic space, the method provides a characterization of the degree of semantic relatedness between the segments. We illustrate the approach for predicting coherence through re-analyzing sets of texts from two studies that manipulated the coherence of texts and assessed readers' comprehension. The results indicate that the method is able to predict the effect of text coherence on comprehension and is more effective than simple term-term overlap measures. In this manner, LSA can be applied as an automated method that produces coherence predictions similar to propositional modeling. We describe additional studies investigating the application of LSA to analyzing discourse structure and examine the potential of LSA as a psychological model of coherence effects in text comprehension. Measuring Coherence 3 The Measurement o...</dc:description>
   <dc:contributor>The Pennsylvania State University CiteSeer Archives</dc:contributor>
   <dc:publisher>unknown</dc:publisher>
   <dc:date>1998-09-12</dc:date>
   <dc:format>ps</dc:format>
   <dc:identifier>http://citeseer.ist.psu.edu/76.html</dc:identifier>
   <dc:source>http://lsa.colorado.edu/papers/dp2.foltz.ps</dc:source>
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<header>
<identifier>oai:CiteSeerPSU:77</identifier>
<datestamp>1994-06-17</datestamp>
<setSpec>CiteSeerPSUset</setSpec>
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<oai_citeseer:oai_citeseer xmlns:oai_citeseer="http://copper.ist.psu.edu/oai/oai_citeseer/" xmlns:dc ="http://purl.org/dc/elements/1.1/" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://copper.ist.psu.edu/oai/oai_citeseer/ http://copper.ist.psu.edu/oai/oai_citeseer.xsd ">
   <dc:title>Using Classes As Specifications For Automatic Construction Of Programs In The Nut System</dc:title>
   <oai_citeseer:author name="Enn Tyugu">
      <address>Electrum 204 , S-164 40 Kista , Sweden ;</address>
      <affiliation>Royal Institute of Technology , Department of Teleinformatics,</affiliation>
   </oai_citeseer:author>
   <dc:subject>Enn Tyugu Using Classes As Specifications For Automatic Construction Of Programs In The Nut System</dc:subject>
   <dc:description>Introduction
Attention of researchers in software technology is focused at several programming paradigms
each of which claims to be a good platform for the future of computing: logic programming, functional
programming, object-oriented programming, constraint programming, knowledge-based
programming. The latter meaning, in particular, the usage of knowledge-bases containing specifications
of concepts for automatic program synthesis. A natural question arises how to combine
these paradigms into a new one which will preserve the merits of all of its constituents. Quite a
success has been achieved in combining logic and constraint programming. Two very promising
approaches have evolved: constraint logic programming initiated by J.-L. Lassez and J. Jaffar
(Jaffar 1987), and concurrent constraint programming introduced by V. Saraswat (Saraswat 1990).
Recent works of G. Smolka (Smolka 1993) give an example of merging constraint programming
with object-oriented programming. The presen</dc:description>
   <dc:contributor>The Pennsylvania State University CiteSeer Archives</dc:contributor>
   <dc:publisher>unknown</dc:publisher>
   <dc:date>1994-06-17</dc:date>
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<header>
<identifier>oai:CiteSeerPSU:78</identifier>
<datestamp>1995-11-22</datestamp>
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   <dc:title>The Alloc Stream Facility: A Redesign of Application-Level Stream I/O</dc:title>
   <oai_citeseer:author name="Michael Stumm">
      <address>Toronto , Canada , M5S 1A4</address>
      <affiliation>Department of Electrical and Computer Engineering; University of Toronto</affiliation>
   </oai_citeseer:author>
   <oai_citeseer:author name="Orran Krieger">
      <address>Toronto , Canada , M5S 1A4</address>
      <affiliation>Department of Electrical and Computer Engineering; University of Toronto</affiliation>
   </oai_citeseer:author>
   <oai_citeseer:author name="Ron Unrau">
      <address>Toronto , Canada , M5S 1A4</address>
      <affiliation>Department of Electrical and Computer Engineering; University of Toronto</affiliation>
   </oai_citeseer:author>
   <dc:subject>Michael Stumm,Orran Krieger,Ron Unrau The Alloc Stream Facility: A Redesign of Application-Level Stream I/O</dc:subject>
   <dc:description>This paper introduces a new application level I/O facility
called the Alloc Stream Facility (ASF). ASF has several key
advantages. First, performance is substantially improved as a
result of a) the structure of the facility that allows it to take
advantage of system specific features like mapped files, and
b) a reduction in data copying and the number of I/O system
calls. Second, the facility is designed for multi-threaded
applications running on multiprocessors and allows for a high
degree of concurrency. Finally, the facility can support a variety
of I/O interfaces, including stdio, emulated Unix I/O,
ASI, and C++ streams, in a way that allows applications to
freely intermix calls to the different interfaces, resulting in
improved code re-usability.
We show that on several Unix workstation platforms,
I/O intensive applications perform substantially better when
linked to ASF instead of the native facilities -- in the best
case, up to twice as good. Modifying the applications to use
a ...</dc:description>
   <dc:contributor>The Pennsylvania State University CiteSeer Archives</dc:contributor>
   <dc:publisher>unknown</dc:publisher>
   <dc:date>1995-11-22</dc:date>
   <dc:format>ps</dc:format>
   <dc:identifier>http://citeseer.ist.psu.edu/78.html</dc:identifier>
   <dc:source>ftp://ftp.cs.toronto.edu/pub/parallel/Krieger_etal_IEEEComp94.ps.Z</dc:source>
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<header>
<identifier>oai:CiteSeerPSU:79</identifier>
<datestamp>1998-01-22</datestamp>
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<metadata>
<oai_citeseer:oai_citeseer xmlns:oai_citeseer="http://copper.ist.psu.edu/oai/oai_citeseer/" xmlns:dc ="http://purl.org/dc/elements/1.1/" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://copper.ist.psu.edu/oai/oai_citeseer/ http://copper.ist.psu.edu/oai/oai_citeseer.xsd ">
   <dc:title>Uniform Closures: Order-Theoretically Reconstructing Logic Program Semantics and Abstract Domain Refinement</dc:title>
   <dc:subject> Uniform Closures: Order-Theoretically Reconstructing Logic Program Semantics and Abstract Domain Refinement</dc:subject>
   <dc:description>Domain Refinements
Roberto Giacobazzi
Dipartimento di Informatica
Universit`a di Pisa
Corso Italia 40, 56125 Pisa, Italy
giaco@di.unipi.it
Francesco Ranzato
Dipartimento di Matematica Pura ed Applicata
Universit`a di Padova
Via Belzoni 7, 35131 Padova, Italy
franz@math.unipd.it
Abstract
The notion of uniform closure operator is introduced, and it is shown how this concept
surfaces in two different areas of application of abstract interpretation, notably in semantics
design for logic programs and in the theory of abstract domain refinements. In logic programming,
uniform closures permit to generalize, from an order-theoretic perspective, the standard
hierarchy of declarative semantics. In particular, we show how to reconstruct the modeltheoretic
characterization of the well-known s-semantics using pure order-theoretic concepts
only. As far as the systematic refinement operators on abstract domains are concerned, we
show that uniform closures capture precisely the property of a ref...</dc:description>
   <dc:contributor>The Pennsylvania State University CiteSeer Archives</dc:contributor>
   <dc:publisher>unknown</dc:publisher>
   <dc:date>1998-01-22</dc:date>
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<record>
<header>
<identifier>oai:CiteSeerPSU:80</identifier>
<datestamp>1998-05-19</datestamp>
<setSpec>CiteSeerPSUset</setSpec>
</header>
<metadata>
<oai_citeseer:oai_citeseer xmlns:oai_citeseer="http://copper.ist.psu.edu/oai/oai_citeseer/" xmlns:dc ="http://purl.org/dc/elements/1.1/" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://copper.ist.psu.edu/oai/oai_citeseer/ http://copper.ist.psu.edu/oai/oai_citeseer.xsd ">
   <dc:title>Fourth And Fifth Order Efficiency: Fisher Information</dc:title>
   <oai_citeseer:author name="Fisher Information">
      <address>Tsukuba , Ibaraki 305 , Japan</address>
      <affiliation>Institute of Mathematics , University of Tsukuba</affiliation>
   </oai_citeseer:author>
   <oai_citeseer:author name="Yutaka Kano">
      <address>Tsukuba , Ibaraki 305 , Japan</address>
      <affiliation>Institute of Mathematics , University of Tsukuba</affiliation>
   </oai_citeseer:author>
   <dc:subject>Fisher Information,Yutaka Kano Fourth And Fifth Order Efficiency: Fisher Information</dc:subject>
   <dc:description>Loss of (Fisher) information, whose concept was defined by Fisher, is one of
important measures of asymptotic efficiency. Based on Fisher information, this
paper studies fourth and fifth order asymptotic efficiency of estimators in a
curved exponential family of distributions with a structural parameter vector.
In particular, we show that the bias-corrected MLE with a certain bias correction
factor is fourth and fifth order efficient in a class of Fisher consistent estimators
bias-corrected similarly.
1. Introduction
Efficiency is one of key concepts in the estimation problems in statistics. Asymptotic
efficiency is often studied to discuss efficiency of estimators for parameters of
models with a non-linear structure. There are mainly three measures or criteria to
study asymptotic efficiency, namely loss of information, quadratic risk and concentration
probability. Historically, taking loss of information, Fisher(1925) and Rao(1961)
successfully proved the third order efficiency of t...</dc:description>
   <dc:contributor>The Pennsylvania State University CiteSeer Archives</dc:contributor>
   <dc:publisher>unknown</dc:publisher>
   <dc:date>1998-05-19</dc:date>
   <dc:format>ps</dc:format>
   <dc:identifier>http://citeseer.ist.psu.edu/80.html</dc:identifier>
   <dc:source>http://koko15.hus.osaka-u.ac.jp/members/kano/research/./dvi/fisher.ps</dc:source>
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<record>
<header>
<identifier>oai:CiteSeerPSU:81</identifier>
<datestamp>1997-09-29</datestamp>
<setSpec>CiteSeerPSUset</setSpec>
</header>
<metadata>
<oai_citeseer:oai_citeseer xmlns:oai_citeseer="http://copper.ist.psu.edu/oai/oai_citeseer/" xmlns:dc ="http://purl.org/dc/elements/1.1/" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://copper.ist.psu.edu/oai/oai_citeseer/ http://copper.ist.psu.edu/oai/oai_citeseer.xsd ">
   <dc:title>A Unified Network-based Approach for Online Recognition of Multi-Lingual Cursive Handwritings</dc:title>
   <oai_citeseer:author name="Jay J. Lee">
      <address>373-1 Kusong-dong Yusong-gu , Taejon 305-701 , Korea</address>
      <affiliation>Department of Computer Science Center for AI Research , KAIST</affiliation>
   </oai_citeseer:author>
   <oai_citeseer:author name="Jin H. Kim">
      <address>373-1 Kusong-dong Yusong-gu , Taejon 305-701 , Korea</address>
      <affiliation>Department of Computer Science Center for AI Research , KAIST</affiliation>
   </oai_citeseer:author>
   <dc:subject>Jay J. Lee,Jin H. Kim A Unified Network-based Approach for Online Recognition of Multi-Lingual Cursive Handwritings</dc:subject>
   <dc:description>Although several studies have focused on recognition of individual language, no attempt
has been seriously made for online recognition of handwritten script in multiple
languages. In this paper, a network-based approach is proposed for recognizing sequences
of words in multiple languages. Viewing handwritten script as an alternating sequence of
words and interword ligatures, a hierarchical hidden Markov model(HMM) is constructed
by interconnecting HMMs of ligature and word of multiple languages. In turn, those
HMMs are constructed from HMM of lower level components. Given such a construction,
recognition corresponds to finding optimal path in the network which can be searched
efficiently by Viterbi algorithm. Although combining component languages, recognition
accuracy of each language drops negligibly little, and recognition result of intermixed
usage is acceptable.
1 Introduction
By development of pen computing technology, handwriting could be one of the major
modes of human and co...</dc:description>
   <dc:contributor>The Pennsylvania State University CiteSeer Archives</dc:contributor>
   <dc:publisher>unknown</dc:publisher>
   <dc:date>1997-09-29</dc:date>
   <dc:format>ps</dc:format>
   <dc:identifier>http://citeseer.ist.psu.edu/81.html</dc:identifier>
   <dc:source>http://ai.kaist.ac.kr/~joony/ps/IWFHR_96.ps</dc:source>
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<record>
<header>
<identifier>oai:CiteSeerPSU:82</identifier>
<datestamp>1997-12-17</datestamp>
<setSpec>CiteSeerPSUset</setSpec>
</header>
<metadata>
<oai_citeseer:oai_citeseer xmlns:oai_citeseer="http://copper.ist.psu.edu/oai/oai_citeseer/" xmlns:dc ="http://purl.org/dc/elements/1.1/" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://copper.ist.psu.edu/oai/oai_citeseer/ http://copper.ist.psu.edu/oai/oai_citeseer.xsd ">
   <dc:title>Probabilistic Object Recognition using Multidimensional Receptive Field Histograms</dc:title>
   <oai_citeseer:author name="Bernt Schiele">
      <address>IMAG-GRAVIR , I.N.P.G. , Grenoble , France</address>
   </oai_citeseer:author>
   <oai_citeseer:author name="James L. Crowley">
      <address>IMAG-GRAVIR , I.N.P.G. , Grenoble , France</address>
   </oai_citeseer:author>
   <dc:subject>Bernt Schiele,James L. Crowley Probabilistic Object Recognition using Multidimensional Receptive Field Histograms</dc:subject>
   <dc:description>This paper describes a probabilistic object recognition
technique which does not require correspondence matching
of images. This technique is an extension of our earlier work
on object recognition using matching of multi--dimensional
receptive field histograms. In [4] we have shown that multidimensional
receptive field histograms can be matched to
provide object recognition which is robust in the face of
changes in viewing positionand independent of image plane
rotation and scale. In this paper we extend this method to
compute the probability of the presence of an object in an
image.
The paper begins with a review of the method and previously
presented experimental results. We then extend the
method for histogram matching to obtain a genuine probability
of the presence of an object. We present experimental
results on a database of 100 objects showing that the approach
is capable recognizing all objects correctly by using
only a small portion of the image. Our results show
that receptiv...</dc:description>
   <dc:contributor>The Pennsylvania State University CiteSeer Archives</dc:contributor>
   <dc:publisher>unknown</dc:publisher>
   <dc:date>1997-12-17</dc:date>
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<header>
<identifier>oai:CiteSeerPSU:83</identifier>
<datestamp>1997-08-25</datestamp>
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   <dc:title>Towards a Crystal Ball for Data Retrieval</dc:title>
   <oai_citeseer:author name="Joseph M. Hellerstein">
      <address>387 Soda Hall 1776; Berkeley , CA , USA 94720-1776</address>
      <affiliation>U.C. Berkeley</affiliation>
   </oai_citeseer:author>
   <dc:subject>Joseph M. Hellerstein Towards a Crystal Ball for Data Retrieval</dc:subject>
   <dc:description>Information Systems -- both databases and textsearch
programs -- are typically architected as "black
boxes": a user submits a request, the system performs
an unknown sequences of operations, and after some
time an answer set is returned. Two trends are conspiring
to make such architectures undesirable. First,
users of these systems are often quite naive, and unsure
of what they are doing. Second, the queries submitted
to these systems are taking increasing amounts
of time to complete. These trends together lead to a
frustrating experience for users: they are unsure if
their inputs are appropriate, and the cost of an inappropriate
input is often a long wait followed by a
useless or misleading result.
In this paper we propose changing the black-box
model to one of a "crystal ball", in which users are
given feedback on their queries as they run, so that
they can predict the utility of their query results, control
the behavior of the queries on the fly, and better
understand the operation ...</dc:description>
   <dc:contributor>The Pennsylvania State University CiteSeer Archives</dc:contributor>
   <dc:publisher>unknown</dc:publisher>
   <dc:date>1997-08-25</dc:date>
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<header>
<identifier>oai:CiteSeerPSU:84</identifier>
<datestamp>1998-05-14</datestamp>
<setSpec>CiteSeerPSUset</setSpec>
</header>
<metadata>
<oai_citeseer:oai_citeseer xmlns:oai_citeseer="http://copper.ist.psu.edu/oai/oai_citeseer/" xmlns:dc ="http://purl.org/dc/elements/1.1/" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://copper.ist.psu.edu/oai/oai_citeseer/ http://copper.ist.psu.edu/oai/oai_citeseer.xsd ">
   <dc:title>Formalising Abilities and Opportunities of Agents</dc:title>
   <oai_citeseer:author name="J. -j. Ch. Meyer">
      <address>P.O. Box 80.089 , 3508 TB Utrecht; The Netherlands</address>
      <affiliation>Utrecht University; Department of Computer Science</affiliation>
   </oai_citeseer:author>
   <oai_citeseer:author name="W. Hoek">
      <address>P.O. Box 80.089 , 3508 TB Utrecht; The Netherlands</address>
      <affiliation>Utrecht University; Department of Computer Science</affiliation>
   </oai_citeseer:author>
   <dc:subject>J. -j. Ch. Meyer,W. Hoek Formalising Abilities and Opportunities of Agents</dc:subject>
   <dc:description>We present a formal system to reason about and specify the behavior of multiple intelligent artificial agents. Essentially, each agent can perform certain actions, and it may possess a variety of information in order to reason about its and other agent's actions. Thus, our KARO-framework tries to deal formally with the notion of Knowledge, possessed by the agents, and their possible execution of actions. In particular, each agent may reason about its ---or, alternatively, other's--- Abilities to perform certain actions, the possible Results of such an execution and the availability of the Opportunities to take a particular action. Formally, we combine dynamic and epistemic logic into one modal system, and add the notion of ability to it. We demonstrate that there are several options to define the ability to perform a sequentially composed action, and we outline several properties under two alternative choices. Also, the agents' views on the correctness and feasibility of their plans a...</dc:description>
   <dc:contributor>The Pennsylvania State University CiteSeer Archives</dc:contributor>
   <dc:publisher>unknown</dc:publisher>
   <dc:date>1998-05-14</dc:date>
   <dc:format>ps</dc:format>
   <dc:identifier>http://citeseer.ist.psu.edu/84.html</dc:identifier>
   <dc:source>ftp://ftp.cs.uu.nl/pub/RUU/CS/techreps/CS-1998/1998-08.ps.gz</dc:source>
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<header>
<identifier>oai:CiteSeerPSU:85</identifier>
<datestamp>1998-11-10</datestamp>
<setSpec>CiteSeerPSUset</setSpec>
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<metadata>
<oai_citeseer:oai_citeseer xmlns:oai_citeseer="http://copper.ist.psu.edu/oai/oai_citeseer/" xmlns:dc ="http://purl.org/dc/elements/1.1/" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://copper.ist.psu.edu/oai/oai_citeseer/ http://copper.ist.psu.edu/oai/oai_citeseer.xsd ">
   <dc:title>Constraints and Universal Algebra</dc:title>
   <oai_citeseer:author name="David Cohen">
      <address>UK</address>
      <affiliation>Department of Computer Science; Royal Holloway , University of London</affiliation>
   </oai_citeseer:author>
   <oai_citeseer:author name="Justin Pearson">
      <address>S-751 05 Uppsala , Sweden</address>
      <affiliation>Department of Computer Systems; Uppsala University</affiliation>
   </oai_citeseer:author>
   <oai_citeseer:author name="Peter Jeavons">
      <address>UK</address>
      <affiliation>Department of Computer Science; Royal Holloway , University of London</affiliation>
   </oai_citeseer:author>
   <dc:subject>David Cohen,Justin Pearson,Peter Jeavons Constraints and Universal Algebra</dc:subject>
   <dc:description>In this paper we explore the links between constraint satisfaction
problems and universal algebra. We show that a constraint satisfaction
problem instance can be viewed as a pair of relational structures, and
the solutions to the problem are then the structure preserving mappings
between these two relational structures. We give a number of
examples to illustrate how this framework can be used to express a
wide variety of combinatorial problems, many of which are not generally
considered as constraint satisfaction problems.
We also show that certain key aspects of the mathematical structure
of constraint satisfaction problems can be precisely described in
terms of the notion of a Galois connection, which is a standard notion
of universal algebra. Using this result, we obtain an algebraic characterisation
of the property of minimality in a constraint satisfaction
problem. We also obtain a similar algebraic criterion for determining
whether or not a given set of solutions can be expressed...</dc:description>
   <dc:contributor>The Pennsylvania State University CiteSeer Archives</dc:contributor>
   <dc:publisher>unknown</dc:publisher>
   <dc:date>1998-11-10</dc:date>
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   <dc:identifier>http://citeseer.ist.psu.edu/85.html</dc:identifier>
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<record>
<header>
<identifier>oai:CiteSeerPSU:86</identifier>
<datestamp>1998-03-02</datestamp>
<setSpec>CiteSeerPSUset</setSpec>
</header>
<metadata>
<oai_citeseer:oai_citeseer xmlns:oai_citeseer="http://copper.ist.psu.edu/oai/oai_citeseer/" xmlns:dc ="http://purl.org/dc/elements/1.1/" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://copper.ist.psu.edu/oai/oai_citeseer/ http://copper.ist.psu.edu/oai/oai_citeseer.xsd ">
   <dc:title>Effective Compiler Support for Predicated Execution Using the Hyperblock</dc:title>
   <oai_citeseer:author name="David C. Lin">
      <address>Urbana-Champaign , IL 61801</address>
      <affiliation>Center for Reliable and High-Performance Computing; University of Illinois</affiliation>
   </oai_citeseer:author>
   <oai_citeseer:author name="Richard E. Hank">
      <address>Urbana-Champaign , IL 61801</address>
      <affiliation>Center for Reliable and High-Performance Computing; University of Illinois</affiliation>
   </oai_citeseer:author>
   <oai_citeseer:author name="Roger A. Bringmann">
      <address>Urbana-Champaign , IL 61801</address>
      <affiliation>Center for Reliable and High-Performance Computing; University of Illinois</affiliation>
   </oai_citeseer:author>
   <oai_citeseer:author name="Scott A. Mahlke">
      <address>Urbana-Champaign , IL 61801</address>
      <affiliation>Center for Reliable and High-Performance Computing; University of Illinois</affiliation>
   </oai_citeseer:author>
   <oai_citeseer:author name="William Y. Chen">
      <address>Urbana-Champaign , IL 61801</address>
      <affiliation>Center for Reliable and High-Performance Computing; University of Illinois</affiliation>
   </oai_citeseer:author>
   <dc:subject>David C. Lin,Richard E. Hank,Roger A. Bringmann,Scott A. Mahlke,William Y. Chen Effective Compiler Support for Predicated Execution Using the Hyperblock</dc:subject>
   <dc:description>Predicated execution is an effective technique for dealing
with conditional branches in application programs. However,
there are several problems associated with conventional
compiler support for predicated execution. First, all paths
of control are combined into a single path regardless of their
execution frequency and size with conventional if-conversion
techniques. Second, speculative execution is difficult to combine
with predicated execution. In this paper, we propose
the use of a new structure, referred to as the hyperblock,
to overcome these problems. The hyperblock is an efficient
structure to utilize predicated execution for both compiletime
optimization and scheduling. Preliminary experimental
results show that the hyperblock is highly effective for a
wide range of superscalar and VLIW processors.
1 Introduction
Superscalar and VLIW processors can potentially provide
large performance improvements over their scalar predecessors
by providing multiple data paths and function u...</dc:description>
   <dc:contributor>The Pennsylvania State University CiteSeer Archives</dc:contributor>
   <dc:publisher>unknown</dc:publisher>
   <dc:date>1998-03-02</dc:date>
   <dc:format>ps</dc:format>
   <dc:identifier>http://citeseer.ist.psu.edu/86.html</dc:identifier>
   <dc:source>http://cardit.et.tudelft.nl/~steven/ilp/mahlke92.ps.gz</dc:source>
   <dc:language>en</dc:language>
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      <oai_citeseer:uri>oai:CiteSeerPSU:93807</oai_citeseer:uri>
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      <oai_citeseer:uri>oai:CiteSeerPSU:148287</oai_citeseer:uri>
   </oai_citeseer:relation>
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      <oai_citeseer:uri>oai:CiteSeerPSU:7</oai_citeseer:uri>
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   <dc:rights>unrestricted</dc:rights>
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<header>
<identifier>oai:CiteSeerPSU:87</identifier>
<datestamp>1996-09-30</datestamp>
<setSpec>CiteSeerPSUset</setSpec>
</header>
<metadata>
<oai_citeseer:oai_citeseer xmlns:oai_citeseer="http://copper.ist.psu.edu/oai/oai_citeseer/" xmlns:dc ="http://purl.org/dc/elements/1.1/" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://copper.ist.psu.edu/oai/oai_citeseer/ http://copper.ist.psu.edu/oai/oai_citeseer.xsd ">
   <dc:title>The Application Of The Supercondensed Tlm Node To Propagation Problems In Inhomogeneous Anisotropic Materials</dc:title>
   <oai_citeseer:author name="C. Christopoulos">
      <address>University Park , NG7 2RD Nottingham , UK</address>
      <affiliation>Department of Electrical and Electronic Engineering , University of Nottingham,</affiliation>
   </oai_citeseer:author>
   <oai_citeseer:author name="T. M. Benson">
      <address>University Park , NG7 2RD Nottingham , UK</address>
      <affiliation>Department of Electrical and Electronic Engineering , University of Nottingham,</affiliation>
   </oai_citeseer:author>
   <oai_citeseer:author name="V. Trenkic">
      <address>University Park , NG7 2RD Nottingham , UK</address>
      <affiliation>Department of Electrical and Electronic Engineering , University of Nottingham,</affiliation>
   </oai_citeseer:author>
   <dc:subject>C. Christopoulos,T. M. Benson,V. Trenkic The Application Of The Supercondensed Tlm Node To Propagation Problems In Inhomogeneous Anisotropic Materials</dc:subject>
   <dc:description>A supercondensed TLM node for modelling inhomogeneous anisotropic media on an arbitrarily graded
mesh without using stubs is developed. It requires less storage, computationally is more efficient and
can operate on a higher time step then existing TLM nodes. Complete derivation, implementation and
validation of the new node are presented in the paper.
Introduction
Transmission-Line Modelling (TLM) method [1] has been applied successfully to many electromagnetic
wave propagation problems including complex anisotropic media [2, 3]. Accurate modelling of
these problems usually requires finer mesh within the anisotropic substrate and use of cells with arbitrary
aspect ratio suitable for modelling particular geometrical features.
In a previous publication [4] it was shown that the hybrid symmetrical condensed node (HSCN) offers
significant improvements in efficiency and accuracy over conventional stub-loaded symmetrical condensed
node (SCN) [5] used in TLM. More recently, we developed a no...</dc:description>
   <dc:contributor>The Pennsylvania State University CiteSeer Archives</dc:contributor>
   <dc:publisher>unknown</dc:publisher>
   <dc:date>1996-09-30</dc:date>
   <dc:format>ps</dc:format>
   <dc:identifier>http://citeseer.ist.psu.edu/87.html</dc:identifier>
   <dc:source>http://nmle.eee.nott.ac.uk/~vmt/preprints/compel95.ps.gz</dc:source>
   <dc:language>en</dc:language>
   <oai_citeseer:relation type="References">
      <oai_citeseer:uri>oai:CiteSeerPSU:193469</oai_citeseer:uri>
   </oai_citeseer:relation>
   <oai_citeseer:relation type="References">
      <oai_citeseer:uri>oai:CiteSeerPSU:113282</oai_citeseer:uri>
   </oai_citeseer:relation>
   <oai_citeseer:relation type="Is Referenced By">
      <oai_citeseer:uri>oai:CiteSeerPSU:7</oai_citeseer:uri>
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      <oai_citeseer:uri>oai:CiteSeerPSU:465756</oai_citeseer:uri>
   </oai_citeseer:relation>
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      <oai_citeseer:uri>oai:CiteSeerPSU:37123</oai_citeseer:uri>
   </oai_citeseer:relation>
   <oai_citeseer:relation type="Is Referenced By">
      <oai_citeseer:uri>oai:CiteSeerPSU:252679</oai_citeseer:uri>
   </oai_citeseer:relation>
   <dc:rights>unrestricted</dc:rights>
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<record>
<header>
<identifier>oai:CiteSeerPSU:88</identifier>
<datestamp>1995-10-16</datestamp>
<setSpec>CiteSeerPSUset</setSpec>
</header>
<metadata>
<oai_citeseer:oai_citeseer xmlns:oai_citeseer="http://copper.ist.psu.edu/oai/oai_citeseer/" xmlns:dc ="http://purl.org/dc/elements/1.1/" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://copper.ist.psu.edu/oai/oai_citeseer/ http://copper.ist.psu.edu/oai/oai_citeseer.xsd ">
   <dc:title>Using PVM 3.0 to Run Grand Challenge Applications on a Heterogeneous Network of Parallel Computers</dc:title>
   <oai_citeseer:author name="Al Geist">
      <affiliation>Oak Ridge National Laboratory</affiliation>
   </oai_citeseer:author>
   <oai_citeseer:author name="Jack Dongarra">
      <affiliation>Oak Ridge National Laboratory and University of Tennessee</affiliation>
   </oai_citeseer:author>
   <oai_citeseer:author name="Robert Manchek">
      <affiliation>University of Tennessee</affiliation>
   </oai_citeseer:author>
   <oai_citeseer:author name="Weicheng Jiang">
      <affiliation>Dartmouth University</affiliation>
   </oai_citeseer:author>
   <dc:subject>Al Geist,Jack Dongarra,Robert Manchek,Weicheng Jiang Using PVM 3.0 to Run Grand Challenge Applications on a Heterogeneous Network of Parallel Computers</dc:subject>
   <dc:description>. This paper describes some recent research on PVM (Parallel Virtual
Machine). One of the new features added in PVM 3.0 is multiprocessor integration. This
is the ability to run PVM applications on the nodes of several different distributed memory
multiprocessors as though they constitute one large parallel computer. We describe how
multiprocessor integration is accomplished in PVM 3.0 and illustrate its use with examples
using some of the parallel computers in ORNL's Center for Computational Science.
Several computational Grand Challenge problems are being addressed at Oak Ridge
National Laboratory. Two examples are the calculation of the electronic structure of solids
from first principles and groundwater transport. We will report on the use of PVM in the
solution of these problems.
1 Introduction
The face of scientific computing is changing. Today's infrastructure of networks and
powerful workstations allows researchers to collaborate and compute remotely in an efficient
manner. Th...</dc:description>
   <dc:contributor>The Pennsylvania State University CiteSeer Archives</dc:contributor>
   <dc:publisher>unknown</dc:publisher>
   <dc:date>1995-10-16</dc:date>
   <dc:format>ps</dc:format>
   <dc:identifier>http://citeseer.ist.psu.edu/88.html</dc:identifier>
   <dc:source>ftp://ftp.netlib.org/ncwn/siam93-pvmgc.ps</dc:source>
   <dc:language>en</dc:language>
   <oai_citeseer:relation type="Is Referenced By">
      <oai_citeseer:uri>oai:CiteSeerPSU:7</oai_citeseer:uri>
   </oai_citeseer:relation>
   <dc:rights>unrestricted</dc:rights>
</oai_citeseer:oai_citeseer>
</metadata>
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<record>
<header>
<identifier>oai:CiteSeerPSU:89</identifier>
<datestamp>1995-04-19</datestamp>
<setSpec>CiteSeerPSUset</setSpec>
</header>
<metadata>
<oai_citeseer:oai_citeseer xmlns:oai_citeseer="http://copper.ist.psu.edu/oai/oai_citeseer/" xmlns:dc ="http://purl.org/dc/elements/1.1/" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://copper.ist.psu.edu/oai/oai_citeseer/ http://copper.ist.psu.edu/oai/oai_citeseer.xsd ">
   <dc:title>Identification Of Unknown Parameters For Heat Conductivity Equations</dc:title>
   <oai_citeseer:author name="N. D. Botkin">
   </oai_citeseer:author>
   <dc:subject>N. D. Botkin Identification Of Unknown Parameters For Heat Conductivity Equations</dc:subject>
   <dc:description>An algorithm for identification of unknown parameters of nonlinear heat conductivity equations is proposed. Solutions of equations observed with an error are input data of the algorithm. Finite dimensional approximations of input signals and their derivatives are used. The algorithm utilizes the idea of the direct minimization of the residual of equations written in an appropriate variational form. The convergence of the algorithm output to the set of all parameters compatible with the exact solution is proved. The paper is illustrated by computer simulations related to the identification of heat conductivity coefficients depending upon spatial variables and the temperature.</dc:description>
   <dc:contributor>The Pennsylvania State University CiteSeer Archives</dc:contributor>
   <dc:publisher>unknown</dc:publisher>
   <dc:date>1995-04-19</dc:date>
   <dc:format>ps</dc:format>
   <dc:identifier>http://citeseer.ist.psu.edu/89.html</dc:identifier>
   <dc:source>http://www.appl-math.tu-muenchen.de/~botkin/hof444.ps</dc:source>
   <dc:language>en</dc:language>
   <oai_citeseer:relation type="Is Referenced By">
      <oai_citeseer:uri>oai:CiteSeerPSU:7</oai_citeseer:uri>
   </oai_citeseer:relation>
   <dc:rights>unrestricted</dc:rights>
</oai_citeseer:oai_citeseer>
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<record>
<header>
<identifier>oai:CiteSeerPSU:90</identifier>
<datestamp>1996-02-27</datestamp>
<setSpec>CiteSeerPSUset</setSpec>
</header>
<metadata>
<oai_citeseer:oai_citeseer xmlns:oai_citeseer="http://copper.ist.psu.edu/oai/oai_citeseer/" xmlns:dc ="http://purl.org/dc/elements/1.1/" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://copper.ist.psu.edu/oai/oai_citeseer/ http://copper.ist.psu.edu/oai/oai_citeseer.xsd ">
   <dc:title>Correction of a Memory Management Method for Lock-Free Data Structures</dc:title>
   <oai_citeseer:author name="Maged M. Michael">
      <address>Rochester , NY 14627-0226</address>
      <affiliation>Department of Computer Science; University of Rochester</affiliation>
   </oai_citeseer:author>
   <oai_citeseer:author name="Michael L. Scott">
      <address>Rochester , NY 14627-0226</address>
      <affiliation>Department of Computer Science; University of Rochester</affiliation>
   </oai_citeseer:author>
   <dc:subject>Maged M. Michael,Michael L. Scott Correction of a Memory Management Method for Lock-Free Data Structures</dc:subject>
   <dc:description>Memory reuse in link-based lock-free data structures requires special care. Many lock-free algorithms
require deleted nodes not to be reused until no active pointers point to them. Also, most lock-free algorithms
use the compare and swap atomic primitive, which can suffer from the "ABA problem" [1] associated
with memory reuse. Valois [3] proposed a memory management method for link-based data structures that
addresses these problems. The method associates a reference count with each node of reusable memory. A
node is reused only when no processes or data structures point to it. The method solves the ABA problem for
acyclic link-based data structures, and allows lock-free algorithms more flexibility as nodes are not required
to be freed immediately after a delete operation (e.g. dequeue, pop, delete min, etc.). However, there are
race conditions that may corrupt data structure that use this method. In this report we correct these race
conditions and present a corrected version of Valoi...</dc:description>
   <dc:contributor>The Pennsylvania State University CiteSeer Archives</dc:contributor>
   <dc:publisher>unknown</dc:publisher>
   <dc:date>1996-02-27</dc:date>
   <dc:format>ps</dc:format>
   <dc:identifier>http://citeseer.ist.psu.edu/90.html</dc:identifier>
   <dc:source>http://hypatia.dcs.qmw.ac.uk/data/edu/cs.rochester.edu/systems/95.tr599.Memory_management_for_lock-free_data_structures.ps.gz</dc:source>
   <dc:language>en</dc:language>
   <oai_citeseer:relation type="References">
      <oai_citeseer:uri>oai:CiteSeerPSU:67438</oai_citeseer:uri>
   </oai_citeseer:relation>
   <oai_citeseer:relation type="References">
      <oai_citeseer:uri>oai:CiteSeerPSU:113506</oai_citeseer:uri>
   </oai_citeseer:relation>
   <oai_citeseer:relation type="Is Referenced By">
      <oai_citeseer:uri>oai:CiteSeerPSU:7</oai_citeseer:uri>
   </oai_citeseer:relation>
   <oai_citeseer:relation type="Is Referenced By">
      <oai_citeseer:uri>oai:CiteSeerPSU:465756</oai_citeseer:uri>
   </oai_citeseer:relation>
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      <oai_citeseer:uri>oai:CiteSeerPSU:551878</oai_citeseer:uri>
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   <dc:rights>unrestricted</dc:rights>
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<record>
<header>
<identifier>oai:CiteSeerPSU:91</identifier>
<datestamp>1998-06-14</datestamp>
<setSpec>CiteSeerPSUset</setSpec>
</header>
<metadata>
<oai_citeseer:oai_citeseer xmlns:oai_citeseer="http://copper.ist.psu.edu/oai/oai_citeseer/" xmlns:dc ="http://purl.org/dc/elements/1.1/" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://copper.ist.psu.edu/oai/oai_citeseer/ http://copper.ist.psu.edu/oai/oai_citeseer.xsd ">
   <dc:title>An Overview of Document Mining Technology</dc:title>
   <oai_citeseer:author name="Mark Dixon">
   </oai_citeseer:author>
   <dc:subject>Mark Dixon An Overview of Document Mining Technology</dc:subject>
   <dc:description>Living through the Information Revolution is becoming a difficult task - humans were not
designed to process massive quantities of information. The computer first found it's use in
speeding our number crunching, performing a large number of calculations blindingly fast.
We are now beginning to turn to computers to solve another human inadequacy, mining
through our masses of information to find items of interest.
Document mining has many uses in our information era, looking for patterns in commonly
available texts such as news-feeds. How many terrorist attacks were there in 1995? Is there
a strong relationship between the IRA and car bombs? Do frequent changes of company
management lead to better profits? Document mining has the potential to identify patterns
such as these hidden inside vast collections of text data, possibly giving companies that
competitive edge they need to survive.
keywords: Document mining, text mining, information extraction, information
retrieval, data mining and...</dc:description>
   <dc:contributor>The Pennsylvania State University CiteSeer Archives</dc:contributor>
   <dc:publisher>unknown</dc:publisher>
   <dc:date>1998-06-14</dc:date>
   <dc:format>ps</dc:format>
   <dc:identifier>http://citeseer.ist.psu.edu/91.html</dc:identifier>
   <dc:source>http://www.geocities.com/~mjdixon/mark/writings/dixm97_dm.ps</dc:source>
   <dc:language>en</dc:language>
   <oai_citeseer:relation type="References">
      <oai_citeseer:uri>oai:CiteSeerPSU:46777</oai_citeseer:uri>
   </oai_citeseer:relation>
   <oai_citeseer:relation type="References">
      <oai_citeseer:uri>oai:CiteSeerPSU:145672</oai_citeseer:uri>
   </oai_citeseer:relation>
   <oai_citeseer:relation type="References">
      <oai_citeseer:uri>oai:CiteSeerPSU:31677</oai_citeseer:uri>
   </oai_citeseer:relation>
   <oai_citeseer:relation type="References">
      <oai_citeseer:uri>oai:CiteSeerPSU:33682</oai_citeseer:uri>
   </oai_citeseer:relation>
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      <oai_citeseer:uri>oai:CiteSeerPSU:143752</oai_citeseer:uri>
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      <oai_citeseer:uri>oai:CiteSeerPSU:155937</oai_citeseer:uri>
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      <oai_citeseer:uri>oai:CiteSeerPSU:145590</oai_citeseer:uri>
   </oai_citeseer:relation>
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      <oai_citeseer:uri>oai:CiteSeerPSU:180965</oai_citeseer:uri>
   </oai_citeseer:relation>
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      <oai_citeseer:uri>oai:CiteSeerPSU:141479</oai_citeseer:uri>
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      <oai_citeseer:uri>oai:CiteSeerPSU:389927</oai_citeseer:uri>
   </oai_citeseer:relation>
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      <oai_citeseer:uri>oai:CiteSeerPSU:29665</oai_citeseer:uri>
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      <oai_citeseer:uri>oai:CiteSeerPSU:7</oai_citeseer:uri>
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      <oai_citeseer:uri>oai:CiteSeerPSU:212785</oai_citeseer:uri>
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   <dc:rights>unrestricted</dc:rights>
</oai_citeseer:oai_citeseer>
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<record>
<header>
<identifier>oai:CiteSeerPSU:92</identifier>
<datestamp>1998-12-30</datestamp>
<setSpec>CiteSeerPSUset</setSpec>
</header>
<metadata>
<oai_citeseer:oai_citeseer xmlns:oai_citeseer="http://copper.ist.psu.edu/oai/oai_citeseer/" xmlns:dc ="http://purl.org/dc/elements/1.1/" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://copper.ist.psu.edu/oai/oai_citeseer/ http://copper.ist.psu.edu/oai/oai_citeseer.xsd ">
   <dc:title>Natural Deduction for Intuitionistic Non-Commutative Linear Logic</dc:title>
   <oai_citeseer:author name="And Frank Pfenning">
      <address>Pittsburgh , PA 15213 , USA</address>
      <affiliation>Department of Computer Science; Carnegie Mellon University</affiliation>
   </oai_citeseer:author>
   <oai_citeseer:author name="Jeff Polakow">
      <address>Pittsburgh , PA 15213 , USA</address>
      <affiliation>Department of Computer Science; Carnegie Mellon University</affiliation>
   </oai_citeseer:author>
   <dc:subject>And Frank Pfenning,Jeff Polakow Natural Deduction for Intuitionistic Non-Commutative Linear Logic</dc:subject>
   <dc:description>We present a system of natural deduction and associated term calculus for intuitionistic non-commutative linear logic (INCLL) as a conservative extension of intuitionistic linear logic. We prove subject reduction and the existence of canonical forms in the implicational fragment.</dc:description>
   <dc:contributor>The Pennsylvania State University CiteSeer Archives</dc:contributor>
   <dc:publisher>unknown</dc:publisher>
   <dc:date>1998-12-30</dc:date>
   <dc:format>ps</dc:format>
   <dc:identifier>http://citeseer.ist.psu.edu/92.html</dc:identifier>
   <dc:source>http://pecan.srv.cs.cmu.edu/afs/cs.cmu.edu/user/fp/www/papers/tlca99.ps.gz</dc:source>
   <dc:language>en</dc:language>
   <oai_citeseer:relation type="References">
      <oai_citeseer:uri>oai:CiteSeerPSU:504182</oai_citeseer:uri>
   </oai_citeseer:relation>
   <oai_citeseer:relation type="References">
      <oai_citeseer:uri>oai:CiteSeerPSU:1276</oai_citeseer:uri>
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   <oai_citeseer:relation type="References">
      <oai_citeseer:uri>oai:CiteSeerPSU:260252</oai_citeseer:uri>
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<header>
<identifier>oai:CiteSeerPSU:93</identifier>
<datestamp>1998-10-16</datestamp>
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<metadata>
<oai_citeseer:oai_citeseer xmlns:oai_citeseer="http://copper.ist.psu.edu/oai/oai_citeseer/" xmlns:dc ="http://purl.org/dc/elements/1.1/" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://copper.ist.psu.edu/oai/oai_citeseer/ http://copper.ist.psu.edu/oai/oai_citeseer.xsd ">
   <dc:title>FREE JAZZ: A User-Level Real-Time Threads Package Designed for Flexibility</dc:title>
   <oai_citeseer:author name="Thorsten Kramp">
      <address>P. O. Box 3049 , 67653 Kaiserslautern , Germany</address>
      <affiliation>University of Kaiserslautern , Department of Computer Science</affiliation>
   </oai_citeseer:author>
   <dc:subject>Thorsten Kramp FREE JAZZ: A User-Level Real-Time Threads Package Designed for Flexibility</dc:subject>
   <dc:description>Up to now designers of multi-threaded run-time systems traditionally disdain readily available user-level threads packages due to their inherent lack of flexibility, resultant from prevalently adhering to the black-box approach. FREE JAZZ, in contrast, is a user-level threads package developed in the spirit of the open implementation design methodology, providing a well-devised meta interface particularly with respect to soft real-time scheduling, interthread communication, and synchronisation. Any scheduling code has been systematically factored out to allow for easy customisation and adaption even at run time. The general viability of this approach is demonstrated by the results of a number of performance measurements carried out.</dc:description>
   <dc:contributor>The Pennsylvania State University CiteSeer Archives</dc:contributor>
   <dc:publisher>unknown</dc:publisher>
   <dc:date>1998-10-16</dc:date>
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   <dc:identifier>http://citeseer.ist.psu.edu/93.html</dc:identifier>
   <dc:source>http://www.uni-kl.de/AG-Nehmer/Projekte/Squirrel/postscript/tr-sfb501-9-98.ps.gz</dc:source>
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<header>
<identifier>oai:CiteSeerPSU:94</identifier>
<datestamp>1997-03-14</datestamp>
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</header>
<metadata>
<oai_citeseer:oai_citeseer xmlns:oai_citeseer="http://copper.ist.psu.edu/oai/oai_citeseer/" xmlns:dc ="http://purl.org/dc/elements/1.1/" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://copper.ist.psu.edu/oai/oai_citeseer/ http://copper.ist.psu.edu/oai/oai_citeseer.xsd ">
   <dc:title>From Vedic Science to Vedanta</dc:title>
   <oai_citeseer:author name="Subhash Kak">
      <address>Baton Rouge , LA 70803-5901</address>
      <affiliation>Louisiana State University</affiliation>
   </oai_citeseer:author>
   <dc:subject>Subhash Kak From Vedic Science to Vedanta</dc:subject>
   <dc:description>In academic research Ved&#175;anta has often been studied without relating
it to the Vedic system of knowledge. The reason behind this
situation is the fashionable but wrong view that Vedic thought is "prescientific
" and at best it represents "archaic modes of thought". But
recent scholarship has shown that astronomy was one of the bases
of the design of Vedic fire altars and an astronomical code has been
discovered in the organization of the Rigveda. It is now being accepted
that the Vedic people knew considerable astronomy that included
the knowledge of planet periods. Knowledge of astronomy and
the concomitant sciences provides the backdrop in which the development
of the science of "self " can be understood. The Vedic system of
knowledge is based on equivalences (bandhu-) between the cosmic, the
terrestrial, and the physiological. This recursive system of knowledge
was represented in terms of altar designs at one level and by the richly
symbolic language of the Vedas, where there is a ...</dc:description>
   <dc:contributor>The Pennsylvania State University CiteSeer Archives</dc:contributor>
   <dc:publisher>unknown</dc:publisher>
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<header>
<identifier>oai:CiteSeerPSU:95</identifier>
<datestamp>1999-04-27</datestamp>
<setSpec>CiteSeerPSUset</setSpec>
</header>
<metadata>
<oai_citeseer:oai_citeseer xmlns:oai_citeseer="http://copper.ist.psu.edu/oai/oai_citeseer/" xmlns:dc ="http://purl.org/dc/elements/1.1/" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://copper.ist.psu.edu/oai/oai_citeseer/ http://copper.ist.psu.edu/oai/oai_citeseer.xsd ">
   <dc:title>Efficient Support for P-HTTP in Cluster-Based Web Servers</dc:title>
   <oai_citeseer:author name="Mohit Aron">
      <affiliation>Department of Computer Science; Rice University</affiliation>
   </oai_citeseer:author>
   <oai_citeseer:author name="Peter Druschel">
      <affiliation>Department of Computer Science; Rice University</affiliation>
   </oai_citeseer:author>
   <oai_citeseer:author name="Willy Zwaenepoel">
      <affiliation>Department of Computer Science; Rice University</affiliation>
   </oai_citeseer:author>
   <dc:subject>Mohit Aron,Peter Druschel,Willy Zwaenepoel Efficient Support for P-HTTP in Cluster-Based Web Servers</dc:subject>
   <dc:description>This paper studies mechanisms and policies
for supporting HTTP/1.1 persistent connections
in cluster-based Web servers that employ contentbased
request distribution. We present two mechanisms
for the efficient, content-based distribution
of HTTP/1.1 requests among the back-end nodes of
a cluster server. A trace-driven simulation shows
that these mechanisms, combined with an extension
of the locality-aware request distribution (LARD)
policy, are effective in yielding scalable performance
for HTTP/1.1 requests. We implemented the simpler
of these two mechanisms, back-end forwarding.
Measurements of this mechanism in connection with
extended LARD on a prototype cluster, driven with
traces from actual Web servers, confirm the simulation
results. The throughput of the prototype is up
to four times better than that achieved by conventional
weighted round-robin request distribution. In
addition, throughput with persistent connections is
up to 26% better than without.
1 Introduction
Cluster...</dc:description>
   <dc:contributor>The Pennsylvania State University CiteSeer Archives</dc:contributor>
   <dc:publisher>unknown</dc:publisher>
   <dc:date>1999-04-27</dc:date>
   <dc:format>ps</dc:format>
   <dc:identifier>http://citeseer.ist.psu.edu/95.html</dc:identifier>
   <dc:source>http://www.cs.rice.edu/~aron/papers/phttp-lard.ps</dc:source>
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<record>
<header>
<identifier>oai:CiteSeerPSU:96</identifier>
<datestamp>1997-09-08</datestamp>
<setSpec>CiteSeerPSUset</setSpec>
</header>
<metadata>
<oai_citeseer:oai_citeseer xmlns:oai_citeseer="http://copper.ist.psu.edu/oai/oai_citeseer/" xmlns:dc ="http://purl.org/dc/elements/1.1/" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://copper.ist.psu.edu/oai/oai_citeseer/ http://copper.ist.psu.edu/oai/oai_citeseer.xsd ">
   <dc:title>The Stochastic Vortex Simulation of an Unsteady Viscous Flow in a Multiconnected Domain</dc:title>
   <oai_citeseer:author name="J. Szumbarski">
      <address>Warsaw , Poland</address>
      <affiliation>Department of Aerodynamics; The Institute of Aircraft Engineering and Applied Mechanics; Warsaw University of Technology</affiliation>
   </oai_citeseer:author>
   <oai_citeseer:author name="P. Wald">
      <address>Warsaw , Poland</address>
      <affiliation>Department of Aerodynamics; The Institute of Aircraft Engineering and Applied Mechanics; Warsaw University of Technology</affiliation>
   </oai_citeseer:author>
   <dc:subject>J. Szumbarski,P. Wald The Stochastic Vortex Simulation of an Unsteady Viscous Flow in a Multiconnected Domain</dc:subject>
   <dc:description>Vortex methods applied to flows in multiconnected domains are studied. The objective of the
work is to construct a vortex method which eliminates the possibility of non-physical solutions
in the pressure fields calculated a posteriori from the velocity and vorticity fields. Application is
made in the case of an annular domain. It is shown that certain additional constrains concerning
the production of vorticity on the boundary have to be imposed.
1 Introduction
Vortex methods are powerful tools for the numerical analysis of unsteady viscous flows of incompressible
fluid. The key idea of these methods is to simulate directly the advection-diffusion process
of vorticity transport and vorticity generation due to boundary conditions imposed on a velocity
field. In principle, vortex methods are grid-free, which makes them particularly recommended for
flows with higher Reynolds numbers.
In 1973 Chorin published his classical paper [4] where the idea of a stochastic approach to fluid
dynamic...</dc:description>
   <dc:contributor>The Pennsylvania State University CiteSeer Archives</dc:contributor>
   <dc:publisher>unknown</dc:publisher>
   <dc:date>1997-09-08</dc:date>
   <dc:format>ps</dc:format>
   <dc:identifier>http://citeseer.ist.psu.edu/96.html</dc:identifier>
   <dc:source>http://www.emath.fr/Maths/Proc/Vol.1/szumbars.ps</dc:source>
   <dc:language>en</dc:language>
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<header>
<identifier>oai:CiteSeerPSU:97</identifier>
<datestamp>1998-08-27</datestamp>
<setSpec>CiteSeerPSUset</setSpec>
</header>
<metadata>
<oai_citeseer:oai_citeseer xmlns:oai_citeseer="http://copper.ist.psu.edu/oai/oai_citeseer/" xmlns:dc ="http://purl.org/dc/elements/1.1/" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://copper.ist.psu.edu/oai/oai_citeseer/ http://copper.ist.psu.edu/oai/oai_citeseer.xsd ">
   <dc:title>Segregatory Coordination and Ellipsis in Text Generation</dc:title>
   <oai_citeseer:author name="James Shaw">
      <address>New York , NY 10027 , USA</address>
      <affiliation>Dept . of Computer Science; Columbia University</affiliation>
   </oai_citeseer:author>
   <dc:subject>James Shaw Segregatory Coordination and Ellipsis in Text Generation</dc:subject>
   <dc:description>In this paper, we provide an account of how
to generate sentences with coordination constructions
from clause-sized semantic representations.
An algorithm is developed and various
examples from linguistic literature will be used
to demonstrate that the algorithm does its job
well.
1 Introduction
The linguistic literature has described numerous
coordination phenomena (Gleitman, 1965;
Ross, 1967; Neijt, 1979; Quirk et al., 1985; van
Oirsouw, 1987; Steedman, 1990; Pollard and
Sag, 1994; Carpenter, 1998). We will not address
common problems associated with parsing,
such as disambiguation and construction of
syntactic structures from a string. Instead, we
show how to generate sentences with complex
coordinate constructions starting from semantic
representations. We have divided the process
of generating coordination expressions into
two major tasks, identifying recurring elements
in the conjoined semantic structure and deleting
redundant elements using syntactic information.
Using this mo...</dc:description>
   <dc:contributor>The Pennsylvania State University CiteSeer Archives</dc:contributor>
   <dc:publisher>unknown</dc:publisher>
   <dc:date>1998-08-27</dc:date>
   <dc:format>ps</dc:format>
   <dc:identifier>http://citeseer.ist.psu.edu/97.html</dc:identifier>
   <dc:source>http://www.cs.columbia.edu/~shaw/papers/colingacl98.ps.gz</dc:source>
   <dc:language>en</dc:language>
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<header>
<identifier>oai:CiteSeerPSU:98</identifier>
<datestamp>1995-01-26</datestamp>
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   <dc:title>Mechanisms and Interfaces for Software-Extended Coherent Shared Memory</dc:title>
   <oai_citeseer:author name="David L. Chaiken">
      <affiliation>; Sc.B. , Brown University (1986); MASSACHUSETTS INSTITUTE OF TECHNOLOGY; Department of Electrical Engineering and Computer Science</affiliation>
   </oai_citeseer:author>
   <dc:subject>David L. Chaiken Mechanisms and Interfaces for Software-Extended Coherent Shared Memory</dc:subject>
   <dc:description>Software-extended systems use a combination of hardware and software to implement
shared memory on large-scale multiprocessors. Hardware mechanisms accelerate
common-case accesses, while software handles exceptional events. In order to provide
fast memory access, this design strategy requires appropriate hardware mechanisms including
caches, location-independent addressing, limited directories, processor access
to the network, and a memory-system interrupt. Software-extended systems benefit
from the flexibility of software, but they require a well-designed interface between their
hardware and software components to do so.
This dissertation proposes, designs, tests, measures, and models the novel softwareextended
memory system of Alewife, a large-scale multiprocessor architecture. A
working Alewife machine validates the design, and detailed simulations of the architecture
(with up to 256 processors) show the cost versus performance trade-offs involved in
building distributed shared memo...</dc:description>
   <dc:contributor>The Pennsylvania State University CiteSeer Archives</dc:contributor>
   <dc:publisher>unknown</dc:publisher>
   <dc:date>1995-01-26</dc:date>
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<header>
<identifier>oai:CiteSeerPSU:99</identifier>
<datestamp>1997-06-17</datestamp>
<setSpec>CiteSeerPSUset</setSpec>
</header>
<metadata>
<oai_citeseer:oai_citeseer xmlns:oai_citeseer="http://copper.ist.psu.edu/oai/oai_citeseer/" xmlns:dc ="http://purl.org/dc/elements/1.1/" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://copper.ist.psu.edu/oai/oai_citeseer/ http://copper.ist.psu.edu/oai/oai_citeseer.xsd ">
   <dc:title>An Object Calculus with Algebraic Rewriting</dc:title>
   <oai_citeseer:author name="Adriana Compagnoni">
      <address>Edinburgh EH9 3JZ , U. K.</address>
      <affiliation>University of Edinburgh; Department of Computer Science,</affiliation>
   </oai_citeseer:author>
   <dc:subject>Adriana Compagnoni An Object Calculus with Algebraic Rewriting</dc:subject>
   <dc:description>. In trying to use Abadi and Cardelli's object calculi as a foundation
for a programming language the addition of algebraic data types
arises naturally. This paper defines such an extension, shows a motivating
example, and explores the new calculi by establishing properties such
as Church-Rosser, subject reduction and uniqueness of types.
Keywords: Object calculi; Rewriting; Combined calculi; Type systems.
1 Introduction
Abadi and Cardelli [2] presented a simple object calculus, the &amp;-calculus, which
can be used to model object oriented languages in the same way as functional languages
are modelled by the -calculus. The untyped &amp;-calculus supports method
update. The first-order (typed) version of the calculus, extended with a subtyping
relation, models also object subsumption.
The &amp;-calculus is computationally complete (the -calculus can be encoded
as shown in [2]). However, it lacks expressiveness for the representation of data
types: data types can be encoded (e.g. through encoding...</dc:description>
   <dc:contributor>The Pennsylvania State University CiteSeer Archives</dc:contributor>
   <dc:publisher>unknown</dc:publisher>
   <dc:date>1997-06-17</dc:date>
   <dc:format>ps</dc:format>
   <dc:identifier>http://citeseer.ist.psu.edu/99.html</dc:identifier>
   <dc:source>http://www.ens.fr/~maribel/papers/PLILP97.ps.gz</dc:source>
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<record>
<header>
<identifier>oai:CiteSeerPSU:100</identifier>
<datestamp>1995-12-10</datestamp>
<setSpec>CiteSeerPSUset</setSpec>
</header>
<metadata>
<oai_citeseer:oai_citeseer xmlns:oai_citeseer="http://copper.ist.psu.edu/oai/oai_citeseer/" xmlns:dc ="http://purl.org/dc/elements/1.1/" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://copper.ist.psu.edu/oai/oai_citeseer/ http://copper.ist.psu.edu/oai/oai_citeseer.xsd ">
   <dc:title>Expanding Gaussian Kernels for Multivariate Conditional Density Estimation</dc:title>
   <oai_citeseer:author name="Daniel T. Davis">
      <address>Box Number 352500</address>
      <affiliation>Information Processing Laboratory; Department of Electrical Engineering</affiliation>
   </oai_citeseer:author>
   <oai_citeseer:author name="Jenq-neng Hwang">
      <address>Box Number 352500</address>
      <affiliation>Information Processing Laboratory; Department of Electrical Engineering</affiliation>
   </oai_citeseer:author>
   <dc:subject>Daniel T. Davis,Jenq-neng Hwang Expanding Gaussian Kernels for Multivariate Conditional Density Estimation</dc:subject>
   <dc:description>In this paper, we propose a new method to estimate the multivariate conditional density, f(mjx), a
density over the output space m conditioned on any given input x. In particular, we are interested
in cases where the number of available training data points is relatively sparse within x space. We
start from a priori considerations and establish certain desirable characteristics in kernel functions for
conditional density estimation. We find that Gaussian kernels with expanding covariances, expanding
as we move away from the data point of the kernel, satisfy these a priori considerations. We combine
these Expanding Gaussian Kernels (EGK) according to Bayesian techniques. We compare the EGK
with Standard Gaussian Kernel (SDK) methods, and find that EGK avoids multimodality, has diminishing
confidence levels farther from training points, performs better asymptotically, and performs
better with respect to the Kullback-Leibler criteria.
1 Introduction
In most signal processing and pattern...</dc:description>
   <dc:contributor>The Pennsylvania State University CiteSeer Archives</dc:contributor>
   <dc:publisher>unknown</dc:publisher>
   <dc:date>1995-12-10</dc:date>
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   <dc:identifier>http://citeseer.ist.psu.edu/100.html</dc:identifier>
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