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Performance Analysis of Real-time Heuristic Search Through Search Space Characterization Open Access

Descriptions

Other title
Subject/Keyword
Real-time
Search
Heuristic
Type of item
Thesis
Degree grantor
University of Alberta
Author or creator
Huntley, Daniel A
Supervisor and department
Bulitko, Vadim (Computing Science)
Examining committee member and department
Bowling, Michael (Computing Science)
Friedman, Alinda (Psychology)
Szafron, Duane (Computing Science)
Department
Department of Computing Science
Specialization

Date accepted
2012-01-10T15:48:51Z
Graduation date
2012-06
Degree
Master of Science
Degree level
Master's
Abstract
Recent real-time heuristic search algorithms have demonstrated outstanding performance in video game pathfinding. However, their applications have been thus far limited to that domain. We proceed with the aim of facilitating wider applications of real-time search by fostering a greater understanding of the performance of recent algorithms. We first introduce several algorithm-independent complexity measures for search spaces and correlate their values with algorithm performance. The complexity measures are statistically shown to be strong predictors of algorithm performance across a set of commercial video game maps. We then extend this analysis to a wider variety of search spaces in the first formal application of state of the art real-time search to domains outside of video game pathfinding.
Language
English
Rights
Permission is hereby granted to the University of Alberta Libraries to reproduce single copies of this thesis and to lend or sell such copies for private, scholarly or scientific research purposes only. Where the thesis is converted to, or otherwise made available in digital form, the University of Alberta will advise potential users of the thesis of these terms. The author reserves all other publication and other rights in association with the copyright in the thesis and, except as herein before provided, neither the thesis nor any substantial portion thereof may be printed or otherwise reproduced in any material form whatsoever without the author's prior written permission.
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