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Paper Abstract and Keywords
Presentation 2011-03-28 10:20
Event Clustering Method based on Linear HMM for Geotagged Personal Contents
Iku Ohama (Panasonic), Takuya Kida, Hiroki Arimura (Hokkaido Univ.), Toshihisa Abe (Panasonic) IBISML2010-105
Abstract (in Japanese) (See Japanese page) 
(in English) We discuss the geographical clustering problem on human activity logs. In this Paper, we formulate the problem as a segmentation problem for 2-dimensional sequence data, and propose two clustering methods, named LS-linHMM and X-linHMM. LS-linHMM is based on linear constrained HMMs which estimate the optimal number of clusters by model selection with an information criterion. X-linHMM is a hierarchical clustering method which
is based on the idea of x-means and use 2-state linear constrained HMMs.It runs faster than LS-linHMM in many cases. In this time, we apply these clustering methods into the clustering problem for geo-tagged personal picture contents. Our experimental results using real data showed that the proposed methods are more effective in clustering than the simple x-means.
Keyword (in Japanese) (See Japanese page) 
(in English) personal contents / geo-tag / Hidden Markov Model / x-means / clustering / / /  
Reference Info. IEICE Tech. Rep., vol. 110, no. 476, IBISML2010-105, pp. 9-16, March 2011.
Paper # IBISML2010-105 
Date of Issue 2011-03-21 (IBISML) 
ISSN Print edition: ISSN 0913-5685    Online edition: ISSN 2432-6380
Copyright
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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 IBISML  
Conference Date 2011-03-28 - 2011-03-29 
Place (in Japanese) (See Japanese page) 
Place (in English) Nakanoshima Center, Osaka Univ. 
Topics (in Japanese) (See Japanese page) 
Topics (in English) Text and Web mining, etc. 
Paper Information
Registration To IBISML 
Conference Code 2011-03-IBISML 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Event Clustering Method based on Linear HMM for Geotagged Personal Contents 
Sub Title (in English)  
Keyword(1) personal contents  
Keyword(2) geo-tag  
Keyword(3) Hidden Markov Model  
Keyword(4) x-means  
Keyword(5) clustering  
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Keyword(8)  
1st Author's Name Iku Ohama  
1st Author's Affiliation Panasonic Corporation (Panasonic)
2nd Author's Name Takuya Kida  
2nd Author's Affiliation Hokkaido University (Hokkaido Univ.)
3rd Author's Name Hiroki Arimura  
3rd Author's Affiliation Hokkaido University (Hokkaido Univ.)
4th Author's Name Toshihisa Abe  
4th Author's Affiliation Panasonic Advanced Technology Development Co., Ltd. (Panasonic)
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Speaker Author-1 
Date Time 2011-03-28 10:20:00 
Presentation Time 20 minutes 
Registration for IBISML 
Paper # IBISML2010-105 
Volume (vol) vol.110 
Number (no) no.476 
Page pp.9-16 
#Pages
Date of Issue 2011-03-21 (IBISML) 


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