Why did this code change?

Sarah Rastkar, Gail C. Murphy. Why did this code change?. In David Notkin, Betty H. C. Cheng, Klaus Pohl, editors, 35th International Conference on Software Engineering, ICSE '13, San Francisco, CA, USA, May 18-26, 2013. pages 1193-1196, IEEE / ACM, 2013. [doi]

Abstract

Abstract is missing.