G. Forman, M. Scholz, и S. Rajaram. KDD '09: Proceedings of the 15th ACM SIGKDD international conference on Knowledge discovery and data mining, стр. 299--308. New York, NY, USA, ACM, (2009)
G. Forman, и E. Kirshenbaum. CIKM '08: Proceeding of the 17th ACM conference on Information and knowledge management, стр. 1221--1230. New York, NY, USA, ACM, (2008)