@inproceedings{CIKM-2008-MaYLK08a,
	author        = "Hao Ma and Haixuan Yang and Michael R. Lyu and Irwin King",
	booktitle     = "{Proceedings of the 17th ACM International Conference on Information and Knowledge Management}",
	doi           = "10.1145/1458082.1458205",
	isbn          = "978-1-59593-991-3",
	pages         = "931--940",
	publisher     = "{ACM}",
	title         = "{SoRec: social recommendation using probabilistic matrix factorization}",
	year          = 2008,
}