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Paper Abstract and Keywords
Presentation 2007-06-28 11:00
Finding of Frequent Similar Subtrees in Tree-Structured Data
Hisashi Tosaka, Atsuyoshi Nakamura, Mineichi Kudo (Hokkaido Univ.) DE2007-2 PRMU2007-28
Abstract (in Japanese) (See Japanese page) 
(in English) We study a novel problem of mining subtrees with frequent occurrence of
similar subtrees, and propose an efficient algorithm for this problem.
According to our problem setting, frequency of a subtree is counted not
only for equivalent subtrees but also for similar subtrees.
Our experiment showed that our algorithm is enough fast for practical
use. Preliminary experiment for data record extraction using our mining
method also showed encouraging result.
Keyword (in Japanese) (See Japanese page) 
(in English) Frequent subtree mining / Labeled ordered trees / Similar subtree / Tree alignment distance / / / /  
Reference Info. IEICE Tech. Rep., vol. 107, no. 115, PRMU2007-28, pp. 7-12, June 2007.
Paper # PRMU2007-28 
Date of Issue 2007-06-21 (DE, PRMU) 
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 DE2007-2 PRMU2007-28

Conference Information
Committee PRMU DE  
Conference Date 2007-06-28 - 2007-06-29 
Place (in Japanese) (See Japanese page) 
Place (in English) Hokkaido Univ. 
Topics (in Japanese) (See Japanese page) 
Topics (in English)  
Paper Information
Registration To PRMU 
Conference Code 2007-06-PRMU-DE 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Finding of Frequent Similar Subtrees in Tree-Structured Data 
Sub Title (in English)  
Keyword(1) Frequent subtree mining  
Keyword(2) Labeled ordered trees  
Keyword(3) Similar subtree  
Keyword(4) Tree alignment distance  
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1st Author's Name Hisashi Tosaka  
1st Author's Affiliation Hokkaido University (Hokkaido Univ.)
2nd Author's Name Atsuyoshi Nakamura  
2nd Author's Affiliation Hokkaido University (Hokkaido Univ.)
3rd Author's Name Mineichi Kudo  
3rd Author's Affiliation Hokkaido University (Hokkaido Univ.)
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Speaker Author-1 
Date Time 2007-06-28 11:00:00 
Presentation Time 30 minutes 
Registration for PRMU 
Paper # DE2007-2, PRMU2007-28 
Volume (vol) vol.107 
Number (no) no.114(DE), no.115(PRMU) 
Page pp.7-12 
#Pages 6 
Date of Issue 2007-06-21 (DE, PRMU) 

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