Z. Al Bawab, G. Mills, and J. Crespo. Proceedings of the 18th ACM SIGKDD international conference on Knowledge discovery and data mining, page 397--405. New York, NY, USA, ACM, (2012)
S. Chen, J. Moore, D. Turnbull, and T. Joachims. Proceedings of the 18th ACM SIGKDD international conference on Knowledge discovery and data mining, page 714--722. New York, NY, USA, ACM, (2012)
W. Feng, and J. Wang. Proceedings of the 18th ACM SIGKDD international conference on Knowledge discovery and data mining, page 1276--1284. New York, NY, USA, ACM, (2012)