D. Wu, L. Chen, Y. Zhou, and B. Xu. 2015 ACM/IEEE International Symposium on Empirical Software Engineering and Measurement (ESEM), page 1-10. (October 2015)
S. Tasharofi, M. Pradel, Y. Lin, and R. Johnson. 2013 28th IEEE/ACM International Conference on Automated Software Engineering, page 114-124. (November 2013)