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Title: Estimating development effort in free/open source software projects by mining software repositories: A case study of OpenStack
Authors: González-Barahona, JM
Cervigón, C
Capiluppi, A
Izquierdo-Cortázar, D
Keywords: E ort estimation;Open source;Free software;Mining software repositories
Issue Date: 2014
Citation: 11th Working Conference on Mining Software Repositories, MSR 2014 - Proceedings, pp. 222 - 231, (2014)
Abstract: Because of the distributed and collaborative nature of free/open source software (FOSS) projects, the development effort invested in a project is usually unknown, even after the software has been released. However, this information is becoming of major interest, especially-but not only-because of the growth in the number of companies for which FOSS has become relevant for their business strategy. In this paper we present a novel approach to estimate effort by considering data from source code management repositories. We apply our model to the OpenStack project, a FOSS project with more than 1,000 authors, in which several tens of companies cooperate. Based on data from its repositories and together with the input from a survey answered by more than 100 developers, we show that the model offers a simple, but sound way of obtaining software development estimations with bounded margins of error.
ISBN: 9781450328630
Appears in Collections:Dept of Computer Science Research Papers

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