@inproceedings{SIGIR-2008-ValletZ,
	author        = "David Vallet and Hugo Zaragoza",
	booktitle     = "{Proceedings of the 31st International ACM SIGIR Conference on Research and Development in Information Retrieval}",
	doi           = "10.1145/1390334.1390541",
	isbn          = "978-1-60558-164-4",
	pages         = "857--858",
	publisher     = "{ACM}",
	title         = "{Inferring the most important types of a query: a semantic approach}",
	year          = 2008,
}