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Object Focused Q-Learning for Autonomous Agents
Authors
Luis C. Cobo
Charles L., Jr. Isbell
Andrea L. Thomaz
Publication date
1 January 2013
Publisher
ACM Press
Abstract
© ACM 2013. This is the author's version of the work. It is posted here by permission of ACM for your personal use. Not for redistribution. The definitive version was published in AAMAS '13 Proceedings of the 2013 International Conference on Autonomous Agents and Multi-agent Systems.We present Object Focused Q-learning (OF-Q), a novel reinforcement learning algorithm that can offer exponential speed-ups over classic Q-learning on domains composed of independent objects. An OF-Q agent treats the state space as a collection of objects organized into different object classes. Our key contribution is a control policy that uses non-optimal Q-functions to estimate the risk of ignoring parts of the state space. We compare our algorithm to traditional Q-learning and previous arbitration algorithms in two domains, including a version of Space Invaders
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Last time updated on 11/09/2013