Beyond Textual Issues: Understanding the Usage and Impact of GitHub Reactions

@article{Borges2019BeyondTI,
  title={Beyond Textual Issues: Understanding the Usage and Impact of GitHub Reactions},
  author={Hudson Borges and Rodrigo Brito and Marco T{\'u}lio Valente},
  journal={Proceedings of the XXXIII Brazilian Symposium on Software Engineering},
  year={2019}
}
Recently, GitHub introduced a new social feature, named reactions, which are "pictorial characters" similar to emoji symbols widely used nowadays in text-based communications. Particularly, GitHub users can use a pre-defined set of such symbols to react to issues and pull requests. However, little is known about the real usage and impact of GitHub reactions. In this paper, we analyze the reactions provided by developers to more than 2.5 million issues and 9.7 million issue comments, in order to… 
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