@inproceedings{CIKM-2018-AiMLC,
	author        = "Qingyao Ai and Jiaxin Mao and Yiqun Liu and W. Bruce Croft",
	booktitle     = "{Proceedings of the 27th ACM International Conference on Information and Knowledge Management}",
	doi           = "10.1145/3269206.3274274",
	isbn          = "978-1-4503-6014-2",
	pages         = "2305--2306",
	publisher     = "{ACM}",
	title         = "{Unbiased Learning to Rank: Theory and Practice}",
	year          = 2018,
}