Métricas históricas e a comunicação dos desenvolvedores ajudam a prever acoplamentos de mudança?
(Do historical metrics and developers communication aid to predict change couplings?)
Igor Scaliante Wiese (email@example.com)1, Rodrigo Takashi Kuroda (firstname.lastname@example.org)1, Reginaldo Re (email@example.com)1, Rodrigo Bulhões (firstname.lastname@example.org)2, Gustavo Ansaldi Oliva (email@example.com)3, Marco Aurélio Gerosa (firstname.lastname@example.org)3
1Universidade Tecnológica Federal do Paraná2Universidade Federal da Bahia3University of Sao Paulo
This paper appears in: Revista IEEE América Latina
Publication Date: June 2015
Volume: 13, Issue: 6
Developers have contributed to open-source projects by forking the code and submitting pull requests. Once a pull request is submitted, interested parties can review the set of changes, discuss potential modifications, and even push additional commits if necessary. Mining artifacts that were committed together during history of pull-requests makes it possible to infer change couplings among these artifacts. Supported by the Conway's Law, whom states that “organizations which design systems are constrained to produce designs which are copies of the communication structures of these organizations”, we hypothesize that social network analysis (SNA) is able to identify strong and weak change dependencies. In this paper, we used statistical models relying on centrality, ego, and structural holes metrics computed from communication networks to predict co-changes among files included in pull requests submitted to the Ruby on Rails project. To the best of our knowledge, this is the first study to employ SNA metrics to predict change dependencies from Github projects
structural holes metrics, social network analysis, change coupling, communication network, Conway’s law
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