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Paper Abstract and Keywords
Presentation 2010-06-14 10:25
[Invited Talk] All Pairs Similarity Search by Multiple Sorting
Koji Tsuda (AIST) IBISML2010-2
Abstract (in Japanese) (See Japanese page) 
(in English) Recently it is increasingly common that images and signals are mapped to bit strings called sketches.
To build a similarity network necessary for, e.g., semi-supervised learning, it is necessary to find all close pairs in
terms of Hamming distance. However, it is too slow to compute all distances and pruning by metricity does not
help much. In this presentation, we present the multiple sorting method which combines pattern growth and radix
sort. It is shown that it is much faster than cover tree and Lanczos bisection in a large scale image dataset. In
this method, the average false negative rate is computable and duplicated discoveries are deliberately avoided. It is
possible to generalize the method to edit distance. In an experiment with tens of millions of biological sequences,
our method was 20 to 1000 fold faster than suffix-array based methods.
Keyword (in Japanese) (See Japanese page) 
(in English) Multiple Sorting Method / All Pairs Similarity Search / / / / / /  
Reference Info. IEICE Tech. Rep., vol. 110, no. 76, IBISML2010-2, pp. 3-3, June 2010.
Paper # IBISML2010-2 
Date of Issue 2010-06-07 (IBISML) 
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 IBISML2010-2

Conference Information
Committee IBISML  
Conference Date 2010-06-14 - 2010-06-15 
Place (in Japanese) (See Japanese page) 
Place (in English) Takeda Hall, Univ. Tokyo 
Topics (in Japanese) (See Japanese page) 
Topics (in English) Machine learning, etc. 
Paper Information
Registration To IBISML 
Conference Code 2010-06-IBISML 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) All Pairs Similarity Search by Multiple Sorting 
Sub Title (in English)  
Keyword(1) Multiple Sorting Method  
Keyword(2) All Pairs Similarity Search  
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1st Author's Name Koji Tsuda  
1st Author's Affiliation National Institute of Advanced Industrial Science and Technology (AIST)
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Speaker Author-1 
Date Time 2010-06-14 10:25:00 
Presentation Time 50 minutes 
Registration for IBISML 
Paper # IBISML2010-2 
Volume (vol) vol.110 
Number (no) no.76 
Page p.3 
#Pages 1 
Date of Issue 2010-06-07 (IBISML) 

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