@inproceedings{CIKM-2007-PiwowarskiZ,
	author        = "Benjamin Piwowarski and Hugo Zaragoza",
	booktitle     = "{Proceedings of the 16th ACM International Conference on Information and Knowledge Management}",
	doi           = "10.1145/1321440.1321467",
	isbn          = "978-1-59593-803-9",
	pages         = "175--182",
	publisher     = "{ACM}",
	title         = "{Predictive user click models based on click-through history}",
	year          = 2007,
}