@inproceedings{ECIR-2008-DemartiniCBN,
	author        = "Gianluca Demartini and Paul-Alexandru Chirita and Ingo Brunkhorst and Wolfgang Nejdl",
	booktitle     = "{Proceedings of the 30th European Conference on Information Retrieval Research: Advances in Information Retrieval}",
	doi           = "10.1007/978-3-540-78646-7_56",
	isbn          = "978-3-540-78645-0",
	pages         = "564--569",
	publisher     = "{Springer International Publishing}",
	series        = "{Lecture Notes in Computer Science}",
	title         = "{Ranking Categories for Web Search}",
	volume        = 4956,
	year          = 2008,
}