Y. Cai, M. Zhang, D. Luo, C. Ding, und S. Chakravarthy. Proceedings of the fourth ACM international conference on Web search and data mining, Seite 695--704. New York, NY, USA, ACM, (2011)
S. Rendle, L. Marinho, A. Nanopoulos, und L. Schmidt-Thieme. KDD '09: Proceedings of the 15th ACM SIGKDD international conference on Knowledge discovery and data mining, Seite 727--736. New York, NY, USA, ACM, (2009)