Q. He, D. Kifer, J. Pei, P. Mitra, и C. Giles. Proceedings of the fourth ACM international conference on Web search and data mining, стр. 755--764. New York, NY, USA, ACM, (2011)
Q. He, J. Pei, D. Kifer, P. Mitra, и L. Giles. Proceedings of the 19th international conference on World wide web, стр. 421--430. New York, NY, USA, ACM, (2010)