Multi-dimensions of Developer Trustworthiness Assessment in OSS Community

With the prosperity of the Open Source Software, various software communities are formed and they attract huge amounts of developers to participate in distributed software development. For such software development paradigm, how to evaluate the skills of the developers comprehensively and automatically is critical. However, most of the existing researches assess the developers based on the Implementation aspects, such as the artifacts they created or edited. They ignore the developers´ contributions in Social collaboration aspects, such as answering questions, giving advices, making comments or creating social connections. In this paper, we propose a novel model which evaluate the individuals´ skills from both Implementation and Social collaboration aspects. Our model defines four metrics from muti-dimensions, including collaboration index, technical skill, community influence and development contribution. We carry out experiments on a real-world online software community. The results show that our approach can make more comprehensive measurement than the previous work.