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Paper Abstract and Keywords
Presentation 2008-03-03 14:35
Token Comparison Approach to Detect Code Clone-related Bugs
Yii Yong Lee, Yasuhiro Hayase, Makoto Matsushita, Katsuro Inoue (Osaka Univ.) SS2007-64
Abstract (in Japanese) (See Japanese page) 
(in English) Large software tends to have a significant amount of similar code, commonly known as code clones. Often the code clones are introduced through copy-and-paste process for code reuse purpose where the pasted code usually will go through some modifications such as renaming of identifiers and changing of parameters. In this paper, we propose a method using token comparison approach to detect bugs caused by abovementioned modifications. Our method tokenizes detected clones and performs a comparison to find out inconsistencies between them. The inconsistencies are then ranked based on predefined metrics to produce a bug candidate list. We implemented our method and tested on open source software. Our tool has found real bugs from the test subject. We believe our tool is suitable to serve the purpose of detecting code clone-related bugs in large software.
Keyword (in Japanese) (See Japanese page) 
(in English) Software Maintenance / Inconsistent Change / Code Clone-related Bug / / / / /  
Reference Info. IEICE Tech. Rep., vol. 107, no. 505, SS2007-64, pp. 43-48, March 2008.
Paper # SS2007-64 
Date of Issue 2008-02-25 (SS) 
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 SS  
Conference Date 2008-03-03 - 2008-03-04 
Place (in Japanese) (See Japanese page) 
Place (in English) Nagasaki Univ. 
Topics (in Japanese) (See Japanese page) 
Topics (in English) general 
Paper Information
Registration To SS 
Conference Code 2008-03-SS 
Language English 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Token Comparison Approach to Detect Code Clone-related Bugs 
Sub Title (in English)  
Keyword(1) Software Maintenance  
Keyword(2) Inconsistent Change  
Keyword(3) Code Clone-related Bug  
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1st Author's Name Yii Yong Lee  
1st Author's Affiliation Osaka University (Osaka Univ.)
2nd Author's Name Yasuhiro Hayase  
2nd Author's Affiliation Osaka University (Osaka Univ.)
3rd Author's Name Makoto Matsushita  
3rd Author's Affiliation Osaka University (Osaka Univ.)
4th Author's Name Katsuro Inoue  
4th Author's Affiliation Osaka University (Osaka Univ.)
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Speaker Author-1 
Date Time 2008-03-03 14:35:00 
Presentation Time 25 minutes 
Registration for SS 
Paper # SS2007-64 
Volume (vol) vol.107 
Number (no) no.505 
Page pp.43-48 
#Pages
Date of Issue 2008-02-25 (SS) 


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