2017 IEEE 11th International Workshop on Software Clones (IWSC)最新文献

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Codeease: harnessing method clone structures for reuse 代码易用性:利用方法克隆结构进行重用
2017 IEEE 11th International Workshop on Software Clones (IWSC) Pub Date : 2017-02-21 DOI: 10.1109/IWSC.2017.7880505
Shamsa Abid, Salman Javed, Momna Naseem, S. Shahid, H. Basit, Yoshiki Higo
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引用次数: 7
Using compilation/decompilation to enhance clone detection 使用编译/反编译来增强克隆检测
2017 IEEE 11th International Workshop on Software Clones (IWSC) Pub Date : 2017-02-21 DOI: 10.1109/IWSC.2017.7880502
Chaiyong Ragkhitwetsagul, J. Krinke
{"title":"Using compilation/decompilation to enhance clone detection","authors":"Chaiyong Ragkhitwetsagul, J. Krinke","doi":"10.1109/IWSC.2017.7880502","DOIUrl":"https://doi.org/10.1109/IWSC.2017.7880502","url":null,"abstract":"We study effects of compilation and decompilation to code clone detection in Java. Compilation/decompilation canonicalise syntactic changes made to source code and can be used as source code normalisation. We used NiCad to detect clones before and after decompilation in three open source software systems, JUnit, JFreeChart, and Tomcat. We filtered and compared the clones in the original and decompiled clone set and found that 1,201 clone pairs (78.7%) are common between the two sets while 326 pairs (21.3%) are only in one of the sets. A manual investigation identified 325 out of the 326 pairs as true clones. The 252 original-only clone pairs contain a single false positive while the 74 decompiled-only clone pairs are all true positives. Many clones in the original source code that are detected only after decompilation are type-3 clones that are dicult to detect due to added or deleted statements, keywords, package names; flipped if-else statements; or changed loops. We suggest to use decompilation as normalisation to compliment clone detection. By combining clones found before and after decompilation, one can achieve higher recall without losing precision.","PeriodicalId":222231,"journal":{"name":"2017 IEEE 11th International Workshop on Software Clones (IWSC)","volume":"15 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2017-02-21","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"132332098","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 32
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