S. Lim, D. Quercia, and A. Finkelstein. ICSE '10: Proceedings of the 32nd ACM/IEEE International Conference on Software Engineering, page 295--304. New York, NY, USA, ACM, (2010)
A. Jameson, and S. Buschbeck. Proceedings of the Workshop on Recognising and Tracking Events on the Web and in Real Life, page 76-84. CEUR-WS.org, (May 2010)