@inproceedings{SIGIR-2007-NieWD,
	author        = "Lan Nie and Baoning Wu and Brian D. Davison",
	booktitle     = "{Proceedings of the 30th International ACM SIGIR Conference on Research and Development in Information Retrieval}",
	doi           = "10.1145/1277741.1277950",
	isbn          = "978-1-59593-597-7",
	pages         = "869--870",
	publisher     = "{ACM}",
	title         = "{Winnowing wheat from the chaff: propagating trust to sift spam from the web}",
	year          = 2007,
}