@inproceedings{ECDL-2008-RaftopoulouPTW,
	author        = "Paraskevi Raftopoulou and Euripides G. M. Petrakis and Christos Tryfonopoulos and Gerhard Weikum",
	booktitle     = "{Proceedings of the 12th European Conference on Research and Advanced Technology for Digital Libraries}",
	doi           = "10.1007/978-3-540-87599-4_34",
	isbn          = "978-3-540-87598-7",
	pages         = "320--333",
	publisher     = "{Springer}",
	series        = "{Lecture Notes in Computer Science}",
	title         = "{Information Retrieval and Filtering over Self-organising Digital Libraries}",
	volume        = 5173,
	year          = 2008,
}