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Paper Abstract and Keywords
Presentation 2007-07-03 16:15
A Document Clustering Method Focusing on User Specified Time of Interest
Sophoin Khy (Univ. of Tsukuba), Yoshiharu Ishikawa (Nagoya Univ.), Hiroyuki Kitagawa (Univ. of Tsukuba) DE2007-90
Abstract (in Japanese) (See Japanese page) 
(in English) With the explosion of immense amount of electronic documents, intensive research to mine important information has accordingly emerged. This paper presents a document clustering method which summarizes past events around a user specified time of interest. Incorporating an exponential two-sided decay function, the method assigns the highest weights or values one to documents at the focused time and smaller and smaller weights to documents which precede or succeed the focused time. The performance of the method is investigated through experimental evaluation on TDT2 data set.
Keyword (in Japanese) (See Japanese page) 
(in English) K-means / exponential decay / probabilistic similarity / two-sided decay factor / user's interest / / /  
Reference Info. IEICE Tech. Rep., vol. 107, no. 131, DE2007-90, pp. 411-416, July 2007.
Paper # DE2007-90 
Date of Issue 2007-06-25 (DE) 
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 DE  
Conference Date 2007-07-02 - 2007-07-04 
Place (in Japanese) (See Japanese page) 
Place (in English) Akiu hot springs (Sendai) 
Topics (in Japanese) (See Japanese page) 
Topics (in English) Summer Database Workshop 2007 (Data engineering, etc.) 
Paper Information
Registration To DE 
Conference Code 2007-07-DE 
Language English 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) A Document Clustering Method Focusing on User Specified Time of Interest 
Sub Title (in English)  
Keyword(1) K-means  
Keyword(2) exponential decay  
Keyword(3) probabilistic similarity  
Keyword(4) two-sided decay factor  
Keyword(5) user's interest  
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1st Author's Name Sophoin Khy  
1st Author's Affiliation University of Tsukuba (Univ. of Tsukuba)
2nd Author's Name Yoshiharu Ishikawa  
2nd Author's Affiliation Nagoya University (Nagoya Univ.)
3rd Author's Name Hiroyuki Kitagawa  
3rd Author's Affiliation University of Tsukuba (Univ. of Tsukuba)
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Speaker Author-1 
Date Time 2007-07-03 16:15:00 
Presentation Time 25 minutes 
Registration for DE 
Paper # DE2007-90 
Volume (vol) vol.107 
Number (no) no.131 
Page pp.411-416 
#Pages 6 
Date of Issue 2007-06-25 (DE) 

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