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Journal of Software:2018.29(8):2272-2282

基于贡献分配的开源软件核心开发者评估
吴哲夫,朱天潼,宣琦,余跃
(浙江工业大学 信息工程学院, 浙江 杭州 310023;国防科技大学 计算机学院, 湖南 长沙 410073)
Evaluation of Core Developers in Open Source Software by Contribution Allocation
WU Zhe-Fu,ZHU Tian-Tong,XUAN Qi,YU Yue
(College of Information Engineering, Zhejiang University of Technology, Hangzhou 310023, China;College of Computer, National University of Defense Technology, Changsha 410073, China)
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Received:July 05, 2017    Revised:September 28, 2017
> 中文摘要: 开源软件中如何真实评估所有开发者的贡献度并有效区分核心开发者和外围开发者,是一个重要的研究问题.通过设计开发文件的贡献度分配算法,以9个Apache项目为基础,分析了开发者对项目的贡献度,并以此有效地区分核心开发者和外围开发者.实验结果通过Apache官方主页公布的开发者地位名单进行考证,同时在真实名单的相似度上与传统评估方案进行了比较,验证了算法的实用性和有效性.最后,通过支持向量机建立分类模型,结合不同影响开发者地位的关键因素,提升了开发者分类的精确度.
Abstract:How to authentically evaluate the contribution of developers and distinguish the core developers and the peripheral developers in the open source software is an important research question. Based on the analysis of 9 Apache projects, the developers' contribution to the project can be analyzed by designing the contribution allocation algorithm for project files, which also contributes to effectively distinguish the core developers and the peripheral developers. The feasibility and accuracy of the proposed algorithm are verified by checking the list of official developers' regions and comparing different traditional evaluation schemes on the similarity of the real list. Finally, the classification model of the support vector machine is established, and the accuracy of the developer classification is improved by combining the key factors that affect the role of the developers.
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基金项目:国家重点研发计划(2016YFB1000805);国家自然科学基金(61572439,61702534,61273212);浙江省自然科学基金(LY18F010025,LY18F030021) 国家重点研发计划(2016YFB1000805);国家自然科学基金(61572439,61702534,61273212);浙江省自然科学基金(LY18F010025,LY18F030021)
Foundation items:National Key Research and Development Program of China (2016YFB1000805); National Natural Science Foundation of China (61572439, 61702534, 61273212); Zhejiang Provincial Natural Science Foundation (LY18F010025, LY18F030021)
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吴哲夫,朱天潼,宣琦,余跃.基于贡献分配的开源软件核心开发者评估.软件学报,2018,29(8):2272-2282

WU Zhe-Fu,ZHU Tian-Tong,XUAN Qi,YU Yue.Evaluation of Core Developers in Open Source Software by Contribution Allocation.Journal of Software,2018,29(8):2272-2282