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Publication Detail
BugCache for inspections : Hit or miss?
  • Publication Type:
    Journal article
  • Publication Sub Type:
    Conference Proceeding
  • Authors:
    Rahman F, Posnett D, Hindle A, Barr E, Devanbu P
  • Publication date:
  • Pagination:
    322, 331
  • Journal:
    SIGSOFT/FSE 2011 - Proceedings of the 19th ACM SIGSOFT Symposium on Foundations of Software Engineering
  • Status:
Inspection is a highly effective but costly technique for quality control. Most companies do not have the resources to inspect all the code; thus accurate defect prediction can help focus available inspection resources. BugCache is a simple, elegant, award-winning prediction scheme that "caches" files that are likely to contain defects [12]. In this paper, we evaluate the utility of BugCache as a tool for focusing inspection, we examine the assumptions underlying BugCache with the aim of improving it, and finally we compare it with a simple, standard bug-prediction technique. We find that BugCache is, in fact, useful for focusing inspection effort; but surprisingly, we find that its performance, when used for inspections, is not much better than a naive prediction model - viz., a model that orders files in the system by their count of closed bugs and chooses enough files to capture 20% of the lines in the system. © 2011 ACM.
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