@inproceedings{SIGIR-2008-RadlinskiBCGJR,
	author        = "Filip Radlinski and Andrei Z. Broder and Peter Ciccolo and Evgeniy Gabrilovich and Vanja Josifovski and Lance Riedel",
	booktitle     = "{Proceedings of the 31st International ACM SIGIR Conference on Research and Development in Information Retrieval}",
	doi           = "10.1145/1390334.1390404",
	isbn          = "978-1-60558-164-4",
	pages         = "403--410",
	publisher     = "{ACM}",
	title         = "{Optimizing relevance and revenue in ad search: a query substitution approach}",
	year          = 2008,
}