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Dev2vec: Representing domain expertise of developers in an embedding space
Accurate assessment of the domain expertise of developers is essential for assigning the proper candidate to contribute to a project, or to attend a job role. Since the potential candidate can come from a large pool, the automated assessment of this domain expertise is a desirable goal. While previo...
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Published in: | Information and software technology 2023-07, Vol.159, p.107218, Article 107218 |
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Main Authors: | , , |
Format: | Article |
Language: | English |
Subjects: | |
Citations: | Items that this one cites Items that cite this one |
Online Access: | Get full text |
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Summary: | Accurate assessment of the domain expertise of developers is essential for assigning the proper candidate to contribute to a project, or to attend a job role. Since the potential candidate can come from a large pool, the automated assessment of this domain expertise is a desirable goal. While previous methods have had some success within a single software project, the assessment of a developer’s domain expertise from contributions across multiple projects is more challenging.
In this paper, we employ doc2vec to represent the domain expertise of developers across multiple projects as embedding vectors, and assess expertise level from authored code fragments.
For this purpose, we derived embedding vectors from different sources that contain evidence of developers’ expertise, such as the description of repositories they contributed, their issue resolving history, and API calls in their commits. We name it dev2vec and demonstrate its effectiveness in representing and assessing the technical specialization of developers.
Our results indicate that encoding the expertise of developers in an embedding vector outperforms state-of-the-art methods and improves the F1-score up to 21%. Moreover, our findings suggest that the “issue resolving history” of developers is the most informative source of information to represent the domain expertise of developers in embedding spaces.
Our proposed approach sheds light on the effectiveness of representing the technical expertise of developers in embedding vectors, and it can act as initial filtering for recruiters and project managers. |
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ISSN: | 0950-5849 1873-6025 |
DOI: | 10.1016/j.infsof.2023.107218 |