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Paper Abstract and Keywords
Presentation 2012-10-12 15:30
Improvement of MapReduce implementation of PrefixSpan Method
Hidemoto Nakada (AIST), Tatsuhiko Inoue (AIST/Soum), Hirotaka Ogawa, Tomohiro Kudoh (AIST) CPSY2012-40
Abstract (in Japanese) (See Japanese page) 
(in English) We have been implementing a Key-Value Store based MapReduce System, called SSS, which enables quick MapReduce iteration by employing Owner-Compute Rule. We have been employing sequential pattern mining using PrefixSpan method as an evaluation target. The performance so far was not satisfactory for large sized data, however. This paper proposes a new implementation technique for PrefixSpan method over MapReduce. In the proposed method, we moved bound operation from Reducer to Mapper, eliminating data transfer cost between Mapper and Reducer. As a result we confirmed that the new technique showed 60 times speedup for SSS and 3 times speedup for Hadoop.
Keyword (in Japanese) (See Japanese page) 
(in English) MapReduce / Key-Value Store / Distributed Parallel Computing / Sequential Pattern Mining / PrefixSpan / / /  
Reference Info. IEICE Tech. Rep., vol. 112, no. 237, CPSY2012-40, pp. 55-60, Oct. 2012.
Paper # CPSY2012-40 
Date of Issue 2012-10-05 (CPSY) 
ISSN Print edition: ISSN 0913-5685    Online edition: ISSN 2432-6380
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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 CPSY  
Conference Date 2012-10-12 - 2012-10-12 
Place (in Japanese) (See Japanese page) 
Place (in English)  
Topics (in Japanese) (See Japanese page) 
Topics (in English)  
Paper Information
Registration To CPSY 
Conference Code 2012-10-CPSY 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Improvement of MapReduce implementation of PrefixSpan Method 
Sub Title (in English)  
Keyword(1) MapReduce  
Keyword(2) Key-Value Store  
Keyword(3) Distributed Parallel Computing  
Keyword(4) Sequential Pattern Mining  
Keyword(5) PrefixSpan  
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1st Author's Name Hidemoto Nakada  
1st Author's Affiliation Advanced Institute of Science and Technology (AIST)
2nd Author's Name Tatsuhiko Inoue  
2nd Author's Affiliation Advanced Institute of Science and Technology/Soum Corp. (AIST/Soum)
3rd Author's Name Hirotaka Ogawa  
3rd Author's Affiliation Advanced Institute of Science and Technology (AIST)
4th Author's Name Tomohiro Kudoh  
4th Author's Affiliation Advanced Institute of Science and Technology (AIST)
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Speaker Author-3 
Date Time 2012-10-12 15:30:00 
Presentation Time 20 minutes 
Registration for CPSY 
Paper # CPSY2012-40 
Volume (vol) vol.112 
Number (no) no.237 
Page pp.55-60 
#Pages
Date of Issue 2012-10-05 (CPSY) 


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