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Paper Abstract and Keywords
Presentation 2010-03-09 15:00
Reinforcement Learning with Internal Rewards Based on Error in a Grid-based Map
Takafumi Kai, Masumi Ishikawa (Kyushu Inst. of Tech.) NC2009-108
Abstract (in Japanese) (See Japanese page) 
(in English) The present paper proposes to search a method for an agent to find the shortest path by reinforcement learning in varying environment based on recognition of the change of the environment and relearning of the environment. Even after completion of the environment, the agent once in a while explores the environment to recognize the emergence of a shorter path. The recognition of the environment is done by calculating the likelihood of occupancy of the grid concerned based on a sequence of sensory signals. Simulation experiments reveal that adjustment of parameters enables the decrease of the number of steps to the goal compared to the conventional reinforcement learning. How parameter values affect the performance of goal reaching is also analyzed.
Keyword (in Japanese) (See Japanese page) 
(in English) reinforcement learning / grid-based map / curiosity / internal reward / varying environment / / /  
Reference Info. IEICE Tech. Rep., vol. 109, no. 461, NC2009-108, pp. 119-124, March 2010.
Paper # NC2009-108 
Date of Issue 2010-03-02 (NC) 
ISSN Print edition: ISSN 0913-5685    Online edition: ISSN 2432-6380
Copyright
and
reproduction		 All rights are reserved and no part of this publication may be reproduced or transmitted in any form or by any means, electronic or mechanical, including photocopy, recording, or any information storage and retrieval system, without permission in writing from the publisher. Notwithstanding, instructors are permitted to photocopy isolated articles for noncommercial classroom use without fee. (License No.: 10GA0019/12GB0052/13GB0056/17GB0034/18GB0034)
Download PDF NC2009-108

Conference Information
Committee NC MBE  
Conference Date 2010-03-09 - 2010-03-11 
Place (in Japanese) (See Japanese page) 
Place (in English) Tamagawa University 
Topics (in Japanese) (See Japanese page) 
Topics (in English) General 
Paper Information
Registration To NC 
Conference Code 2010-03-NC-MBE 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Reinforcement Learning with Internal Rewards Based on Error in a Grid-based Map 
Sub Title (in English)  
Keyword(1) reinforcement learning  
Keyword(2) grid-based map  
Keyword(3) curiosity  
Keyword(4) internal reward  
Keyword(5) varying environment  
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Keyword(8)  
1st Author's Name Takafumi Kai  
1st Author's Affiliation Kyushu Institute of Technology (Kyushu Inst. of Tech.)
2nd Author's Name Masumi Ishikawa  
2nd Author's Affiliation Kyushu Institute of Technology (Kyushu Inst. of Tech.)
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Speaker Author-1 
Date Time 2010-03-09 15:00:00 
Presentation Time 25 minutes 
Registration for NC 
Paper # NC2009-108 
Volume (vol) vol.109 
Number (no) no.461 
Page pp.119-124 
#Pages 6 
Date of Issue 2010-03-02 (NC) 

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