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2009
IEEE

An Empirical Study on Inconsistent Changes to Code Clones at Release Level

12 years 4 months ago
An Empirical Study on Inconsistent Changes to Code Clones at Release Level
—Current research on code clones tries to address the question whether or not code clones are harmful for the quality of software. As most of these studies are based on the fine-grained analysis of inconsistent changes at the revision level, they capture much of the chaotic and experimental nature inherent to any ongoing software development process. Conclusions drawn from the inspection of highly fluctuating and short-lived clones are likely to exaggerate the ill effects of inconsistent changes. To gain a broader perspective, we perform an empirical study on the effect of inconsistent changes on software quality at the release level. Based on a case study on two open source software systems, we observe that only 1% to 3% of inconsistent changes to clones introduce software defects, as opposed to substantially higher percentages reported by other studies. Our findings suggest that developers are able to effectively manage and control the evolution of cloned code at the release lev...
Nicolas Bettenburg, Weiyi Shang, Walid Ibrahim, Br
Added 21 May 2010
Updated 21 May 2010
Type Conference
Year 2009
Where WCRE
Authors Nicolas Bettenburg, Weiyi Shang, Walid Ibrahim, Bram Adams, Ying Zou, Ahmed E. Hassan
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