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Paper Abstract and Keywords
Presentation 2011-03-07 18:05
Abstract Category Learning
Atsushi Hashimoto, Haruo Hosoya (Tokyo Univ.) NC2010-158
Abstract (in Japanese) (See Japanese page) 
(in English) Motivated by a neurophysiological experiment on prefrontal cortex, we study a scheme for learning abstract categories.
An abstract category represents a set of vectors that are identical to each other modulo substitution, e.g., 'ABAB', 'BABA', 'ACAC', etc.
The proposed method is a clustering-based unsupervised learning algorithm in which the recognition step is reduced to a maximum weight perfect matching problem.
Applying our method to real musical data, we confirmed that it properly acquired abstract categories of inputs.
Each learning unit represented a basic rhythm pattern or the rhythm pattern of a specific genre of music.
Keyword (in Japanese) (See Japanese page) 
(in English) clustering / unsupervised learning / prefrontal cortex / music classification / / / /  
Reference Info. IEICE Tech. Rep., vol. 110, no. 461, NC2010-158, pp. 183-188, March 2011.
Paper # NC2010-158 
Date of Issue 2011-02-28 (NC) 
ISSN Print edition: ISSN 0913-5685  Online edition: ISSN 2432-6380
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 NC2010-158

Conference Information
Committee NC MBE  
Conference Date 2011-03-07 - 2011-03-09 
Place (in Japanese) (See Japanese page) 
Place (in English) Tamagawa University 
Topics (in Japanese) (See Japanese page) 
Topics (in English)  
Paper Information
Registration To NC 
Conference Code 2011-03-NC-MBE 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Abstract Category Learning 
Sub Title (in English)  
Keyword(1) clustering  
Keyword(2) unsupervised learning  
Keyword(3) prefrontal cortex  
Keyword(4) music classification  
1st Author's Name Atsushi Hashimoto  
1st Author's Affiliation Tokyo University (Tokyo Univ.)
2nd Author's Name Haruo Hosoya  
2nd Author's Affiliation Tokyo University (Tokyo Univ.)
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Date Time 2011-03-07 18:05:00 
Presentation Time 25 
Registration for NC 
Paper # IEICE-NC2010-158 
Volume (vol) IEICE-110 
Number (no) no.461 
Page pp.183-188 
#Pages IEICE-6 
Date of Issue IEICE-NC-2011-02-28 

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