@inproceedings{ECIR-2002-Vakkari,
	author        = "Pertti Vakkari",
	booktitle     = "{Proceedings of the 24th BCS-IRSG European Colloquium on Information Retrieval Research: Advances in Information Retrieval}",
	doi           = "10.1007/3-540-45886-7_8",
	isbn          = "3-540-43343-0",
	pages         = "110--123",
	publisher     = "{Springer International Publishing}",
	series        = "{Lecture Notes in Computer Science}",
	title         = "{Subject Knowledge, Source of Terms, and Term Selection in Query Expansion: An Analytical Study}",
	volume        = 2291,
	year          = 2002,
}