@inproceedings{JCDL-2003-CastelliP,
	acmid         = "827200",
	author        = "Donatella Castelli and Pasquale Pagano",
	booktitle     = "{Proceedings of the Third Joint Conference on Digital Libraries}",
	doi           = "10.1109/JCDL.2003.1204886",
	isbn          = "0-7695-1939-3",
	pages         = "335--345",
	publisher     = "{IEEE Computer Society}",
	title         = "{A System for Building Expandable Digital Libraries}",
	year          = 2003,
}