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Paper Abstract and Keywords
Presentation 2011-10-20 10:20
Reduction of order for states in a board game using Self-Organizing Maps
Yuuki Kakizoe, Keiji Kamei (NIT), Masumi Ishikawa (KIT) NC2011-61
Abstract (in Japanese) (See Japanese page) 
(in English) Generally speaking, to make agents which play board games such as Chess, Syogi and Othello is associated with difficulty in high order of dimensions, e.g., the number of states to describe the face of a board. The difficulty is well known as “Curse of dimensionality”, and it becomes a barrier to create game agents. To overcome this difficulty, we propose to reduce the dimensions in a board game by Self-Organizing Maps(SOMs). SOMs have an ability that maps high dimension vectors to low one with preserving the topology among high one. That ability makes it possible to reduce the dimensions in a board game drastically. In this paper, we prefer “Othello” game because it has simple rule and the number of huge states, and we adopt lazy SOM(LSOM) which extends the conventional SOMs. The results show that our proposal succeeded in reduce the dimensions in a board game because it recalled about average 75% for matching of the face of a board. Moreover, proposal method which combined with LSOM improved the rate of discovering for common moves about 4% than with conventional SOM.
Keyword (in Japanese) (See Japanese page) 
(in English) Self-Organizing Map / board game / reduction of dimensions / adaptive threshold / / / /  
Reference Info. IEICE Tech. Rep., vol. 111, no. 241, NC2011-61, pp. 95-100, Oct. 2011.
Paper # NC2011-61 
Date of Issue 2011-10-12 (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)
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Conference Information
Committee NC  
Conference Date 2011-10-19 - 2011-10-20 
Place (in Japanese) (See Japanese page) 
Place (in English) Ohashi Campus, Kyushu Univ. 
Topics (in Japanese) (See Japanese page) 
Topics (in English) Implementation of neurocomputing, modeling for human science, and general 
Paper Information
Registration To NC 
Conference Code 2011-10-NC 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Reduction of order for states in a board game using Self-Organizing Maps 
Sub Title (in English)  
Keyword(1) Self-Organizing Map  
Keyword(2) board game  
Keyword(3) reduction of dimensions  
Keyword(4) adaptive threshold  
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1st Author's Name Yuuki Kakizoe  
1st Author's Affiliation Nishinippon Institute of Technology (NIT)
2nd Author's Name Keiji Kamei  
2nd Author's Affiliation Nishinippon Institute of Technology (NIT)
3rd Author's Name Masumi Ishikawa  
3rd Author's Affiliation Kyushu Institute of Technology (KIT)
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Speaker Author-1 
Date Time 2011-10-20 10:20:00 
Presentation Time 25 minutes 
Registration for NC 
Paper # NC2011-61 
Volume (vol) vol.111 
Number (no) no.241 
Page pp.95-100 
#Pages 6 
Date of Issue 2011-10-12 (NC) 

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