@inproceedings{ECIR-2012-BoudinND,
	author        = "Florian Boudin and Jian-Yun Nie and Martin Dawes",
	booktitle     = "{Proceedings of the 34th European Conference on Information Retrieval Research: Advances in Information Retrieval}",
	doi           = "10.1007/978-3-642-28997-2_46",
	isbn          = "978-3-642-28996-5",
	pages         = "480--484",
	publisher     = "{Springer International Publishing}",
	series        = "{Lecture Notes in Computer Science}",
	title         = "{Using a Medical Thesaurus to Predict Query Difficulty}",
	volume        = 7224,
	year          = 2012,
}