@inproceedings{SIGIR-2010-Liu,
	author        = "Tie-Yan Liu",
	booktitle     = "{Proceedings of the 33rd International ACM SIGIR Conference on Research and Development in Information Retrieval}",
	doi           = "10.1145/1835449.1835676",
	isbn          = "978-1-4503-0153-4",
	pages         = "904",
	publisher     = "{ACM}",
	title         = "{Learning to rank for information retrieval}",
	year          = 2010,
}