@inproceedings{RecSys-2009-ZhenLY,
	author        = "Yi Zhen and Wu-Jun Li and Dit-Yan Yeung",
	booktitle     = "{Proceedings of the Third Conference on Recommender Systems}",
	doi           = "10.1145/1639714.1639727",
	isbn          = "978-1-60558-435-5",
	pages         = "69--76",
	publisher     = "{ACM}",
	title         = "{TagiCoFi: tag informed collaborative filtering}",
	year          = 2009,
}