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How Often do Experts Make Mistakes?

  • Large open-source software projects involve developers with a wide variety of backgrounds and expertise. Such software projects furthermore include many internal APIs that developers must understand and use properly. According to the intended purpose of these APIs, they are more or less frequently used, and used by developers with more or less expertise. In this paper, we study the impact of usage patterns and developer expertise on the rate of defects occurring in the use of internal APIs. For this preliminary study, we focus on memory management APIs in the Linux kernel, as the use of these has been shown to be highly error prone in previous work. We study defect rates and developer expertise, to consider e.g., whether widely used APIs are more defect prone because they are used by less experienced developers, or whether defects in widely used APIs are more likely to be fixed.

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Author:Nicolas Palix, Julia L. Lawall, Gaël Thomas, Gilles Muller
Document Type:Conference Proceeding
Year of Completion:2010
Publishing Institution:Universität Potsdam
Release Date:2010/02/26
Tag:Coccinelle; Herodotos; History of pattern occurrences; bug tracking
Source:Proceedings of the 9th Workshop on Aspects, Components, and Patterns for Infrastructure Software (ACP4IS '10) / Bram Adams, Michael Haupt, Daniel Lohmann (Hrsg.). - Potsdam : Universitätsverlag Potsdam, 2010. - ISBN 978-3-86956-043-4. - S. 9 - 17
Organizational units:An-Institute / Hasso-Plattner-Institut für Digital Engineering gGmbH
CCS Classification:D. Software / D.2 SOFTWARE ENGINEERING (K.6.3) / D.2.8 Metrics (D.4.8)
D. Software / D.3 PROGRAMMING LANGUAGES / D.3.3 Language Constructs and Features (E.2)
Dewey Decimal Classification:0 Informatik, Informationswissenschaft, allgemeine Werke / 00 Informatik, Wissen, Systeme / 004 Datenverarbeitung; Informatik
Collections:Universität Potsdam / Tagungsbände/Proceedings (nicht forlaufend) / Proceedings of the 9th Workshop on Aspects, Components, and Patterns for Infrastructure Software (ACP4IS \'10) / Session 1: Adepts of Code and the Wizards of OS
Licence (German):License LogoKeine Nutzungslizenz vergeben - es gilt das deutsche Urheberrecht