S. Chen, J. Moore, D. Turnbull, и T. Joachims. Proceedings of the 18th ACM SIGKDD international conference on Knowledge discovery and data mining, стр. 714--722. New York, NY, USA, ACM, (2012)
L. Dietz, S. Bickel, и T. Scheffer. Proceedings of the 24th international conference on Machine learning, стр. 233--240. New York, NY, USA, ACM, (2007)