@inproceedings{CIKM-2012-NiuLGC,
	author        = "Shuzi Niu and Yanyan Lan and Jiafeng Guo and Xueqi Cheng",
	booktitle     = "{Proceedings of the 21st ACM International Conference on Information and Knowledge Management}",
	doi           = "10.1145/2396761.2398681",
	isbn          = "978-1-4503-1156-4",
	pages         = "2519--2522",
	publisher     = "{ACM}",
	title         = "{A new probabilistic model for top-k ranking problem}",
	year          = 2012,
}