Due to the crash of disk, the source code was gone. And the authors are working hard to reproduce it.
There are the data in the evaluation part of the paper.
RQ1
|-- origin // origin data of 10 selected project.
|-- tagged // contribution score with human tagged data.
RQ3
|-- author_with_suspicious_commit // a list of author with suspicious commit
|-- figures // figures of share of contribution
|-- origin data // origin data of 276 projects
|-- labelled_commit_types // labelled commit randomly sampled from these open-source projects.
Detailed description will be update in a few date.