@inproceedings{SIGIR-2009-YangWGH,
	author        = "Linjun Yang and Li Wang and Bo Geng and Xian-Sheng Hua",
	booktitle     = "{Proceedings of the 32nd International ACM SIGIR Conference on Research and Development in Information Retrieval}",
	doi           = "10.1145/1571941.1572112",
	isbn          = "978-1-60558-483-6",
	pages         = "754--755",
	publisher     = "{ACM}",
	title         = "{Query sampling for ranking learning in web search}",
	year          = 2009,
}