Task Similarity Measures for Transfer in Reinforcement Learning Task Libraries

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Permanent URL	http://hdl.lib.byu.edu/1877/2606
Title	Task Similarity Measures for Transfer in Reinforcement Learning Task Libraries
BYU Creator	Carroll, James Seppi, Kevin D.
Keywords	task libraries; machine learning
Description/Abstract	Recent research in task transfer and task clustering has necessitated the need for task similarity measures in reinforcement learning. Determining task similarity is necessary for selective transfer where only information from relevant tasks and portions of a task are transferred. Which task similarity measure to use is not immediately obvious. It can be shown that no single task similarity measure is uniformly superior. The optimal task similarity measure is dependent upon the task transfer method being employed. We define similarity in terms of tasks, and propose several possible task similarity measures, dT, dp, dQ, and dR which are based on the transfer time, policy overlap, Q-values, and reward structure respectively. We evaluate their performance in three separate experimental situations.
Source	James Carroll and Kevin Seppi. "Task Similarity Measures for Transfer in Reinforcement Learning Task Libraries." In Proceedings of the International Joint Conference on Neural Networks, 2005 pp. 803-808, Montreal, Canada.;
Publisher	IEEE
Date Original	2005
Date Digital	2010-10-21
Language	English eng en
Publication Type	Peer-Reviewed Articles Conference Proceedings
Type	Text
Format	application/pdf
Owning Institution	Brigham Young University
BYU College	College of Physical and Mathematical Sciences
BYU Department	Computer Science
Copyright Status	(c) 2005 IEEE. Personal use of this material is permitted. However, permission to reprint/republish this material for advertising or promotional purposes or for creating new collective works for resale or redistribution to servers or lists, or to reuse any copyrighted component of this work in other works must be obtained from the IEEE.;
Copyright Use Information	http://www.lib.byu.edu/generic_copyright.html

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Task Similarity Measures for Transfer in Reinforcement Learning Task Libraries

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