@inproceedings{ECDL-2004-AgostiFFT,
	author        = "Maristella Agosti and Nicola Ferro and Ingo Frommholz and Ulrich Thiel",
	booktitle     = "{Proceedings of the Eighth European Conference on Research and Advanced Technology for Digital Libraries}",
	doi           = "10.1007/978-3-540-30230-8_23",
	isbn          = "3-540-23013-0",
	pages         = "244--255",
	publisher     = "{Springer}",
	series        = "{Lecture Notes in Computer Science}",
	title         = "{Annotations in Digital Libraries and Collaboratories — Facets, Models and Usage}",
	volume        = 3232,
	year          = 2004,
}