Changes of Problem Representation

Theory and Experiments

By: Eugene Fink

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Hardcover | 22 October 2002

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376 Pages

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23.5 x 16.51 x 2.54

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The purpose of our research is to enhance the efficiency of AI problem solvers by automating representation changes. We have developed a system that improves the description of input problems and selects an appropriate search algorithm for each given problem. Motivation. Researchers have accumulated much evidence on the impor tance of appropriate representations for the efficiency of AI systems. The same problem may be easy or difficult, depending on the way we describe it and on the search algorithm we use. Previous work on the automatic im provement of problem descriptions has mostly been limited to the design of individual learning algorithms. The user has traditionally been responsible for the choice of algorithms appropriate for a given problem. We present a system that integrates multiple description-changing and problem-solving algorithms. The purpose of the reported work is to formalize the concept of representation and to confirm the following hypothesis: An effective representation-changing system can be built from three parts: • a library of problem-solving algorithms; • a library of algorithms that improve problem descriptions; • a control module that selects algorithms for each given problem.

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You Can Find This Book In

Non-Fiction Computing & I.T.Computer Science Artificial Intelligence Reference, Information & Interdisciplinary Subjects Research & Information Decision Theory Medicine Medicine in General Psychology Cognition & Cognitive Psychology Intelligence & Reasoning

Computer Programming & Software Development Software Engineering

Introduction
Motivation	p. 3
Prodigy search	p. 39
Description changers
Primary effects	p. 81
Abstraction	p. 133
Summary and extensions	p. 167
Top-level control
Multiple representations	p. 193
Statistical selection	p. 205
Statistical extensions	p. 231
Summary and extensions	p. 245
Empirical results
Matching Domain	p. 259
Sokoban Domain	p. 279
Extended Strips Domain	p. 299
Logistics Domain	p. 321
Concluding remarks	p. 339
References	p. 343
Table of Contents provided by Blackwell. All Rights Reserved.

Changes of Problem Representation

Theory and Experiments

At a Glance

Hardcover

Shipping

How to return your order

Defective items

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