@inproceedings{ECIR-2007-Silvestri,
	author        = "Fabrizio Silvestri",
	booktitle     = "{Proceedings of the 29th European Conference on Information Retrieval Research: Advances in Information Retrieval}",
	doi           = "10.1007/978-3-540-71496-5_12",
	isbn          = "978-3-540-71494-1",
	pages         = "101--112",
	publisher     = "{Springer International Publishing}",
	series        = "{Lecture Notes in Computer Science}",
	title         = "{Sorting Out the Document Identifier Assignment Problem}",
	volume        = 4425,
	year          = 2007,
}