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Paper Abstract and Keywords
Presentation 2010-03-08 13:40
Comparison of Fixing Frequency between Duplicate Code and Non-Duplicate Code
Yukiko Sano, Yoshiki Higo, Shinji Kusumoto (Osaka Univ.) SS2009-55
Abstract (in Japanese) (See Japanese page) 
(in English) In general, it is said that duplicate code is modified more frequently than non-duplicate code. However, there are few quantitative studies invstigating whether it is true. Furthermore, the previous studies investigated on the unit of programming language such as file or method, not on duplicate code itself, so that there is a possibility that modifications that are not related to duplicate code are regarded as ones that are related to duplicate code. In addition, only a small number of software systems were investigated. In this paper, therefore, to measure modification frequency more accurately, we investigated modification frequency of duplicate code and non-duplicate code by line. Also, to obtain more general results, experiments conducted on various types of software systems.
Keyword (in Japanese) (See Japanese page) 
(in English) duplicate code / modification frequency / software maintenance / / / / /  
Reference Info. IEICE Tech. Rep., vol. 109, no. 456, SS2009-55, pp. 43-48, March 2010.
Paper # SS2009-55 
Date of Issue 2010-03-01 (SS) 
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 SS2009-55

Conference Information
Committee SS  
Conference Date 2010-03-08 - 2010-03-08 
Place (in Japanese) (See Japanese page) 
Place (in English) Kagoshima Univ. 
Topics (in Japanese) (See Japanese page) 
Topics (in English) general 
Paper Information
Registration To SS 
Conference Code 2010-03-SS 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Comparison of Fixing Frequency between Duplicate Code and Non-Duplicate Code 
Sub Title (in English)  
Keyword(1) duplicate code  
Keyword(2) modification frequency  
Keyword(3) software maintenance  
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1st Author's Name Yukiko Sano  
1st Author's Affiliation Osaka University (Osaka Univ.)
2nd Author's Name Yoshiki Higo  
2nd Author's Affiliation Osaka University (Osaka Univ.)
3rd Author's Name Shinji Kusumoto  
3rd Author's Affiliation Osaka University (Osaka Univ.)
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Speaker Author-1 
Date Time 2010-03-08 13:40:00 
Presentation Time 30 minutes 
Registration for SS 
Paper # SS2009-55 
Volume (vol) vol.109 
Number (no) no.456 
Page pp.43-48 
#Pages 6 
Date of Issue 2010-03-01 (SS) 

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