@inproceedings{CIKM-2012-RenLZZ,
	author        = "Yongli Ren and Gang Li and Jun Zhang and Wanlei Zhou",
	booktitle     = "{Proceedings of the 21st ACM International Conference on Information and Knowledge Management}",
	doi           = "10.1145/2396761.2396849",
	isbn          = "978-1-4503-1156-4",
	pages         = "684--693",
	publisher     = "{ACM}",
	title         = "{The efficient imputation method for neighborhood-based collaborative filtering}",
	year          = 2012,
}