@inproceedings{KDD-2002-Joachims,
	author        = "Thorsten Joachims",
	booktitle     = "{Proceedings of the Eighth International Conference on Knowledge Discovery and Data Mining}",
	doi           = "10.1145/775047.775067",
	isbn          = "1-58113-567-X",
	pages         = "133--142",
	publisher     = "{ACM}",
	title         = "{Optimizing search engines using clickthrough data}",
	year          = 2002,
}