@inproceedings{CIKM-2007-XuBCY,
	author        = "Shengliang Xu and Shenghua Bao and Yunbo Cao and Yong Yu",
	booktitle     = "{Proceedings of the 16th ACM International Conference on Information and Knowledge Management}",
	doi           = "10.1145/1321440.1321596",
	isbn          = "978-1-59593-803-9",
	pages         = "1003--1006",
	publisher     = "{ACM}",
	title         = "{Using social annotations to improve language model for information retrieval}",
	year          = 2007,
}