@inproceedings{JCDL-2006-FrommholzF,
	author        = "Ingo Frommholz and Norbert Fuhr",
	booktitle     = "{Proceedings of the Sixth Joint Conference on Digital Libraries}",
	doi           = "10.1145/1141753.1141764",
	isbn          = "1-59593-354-9",
	pages         = "55--64",
	publisher     = "{ACM}",
	title         = "{Probabilistic, object-oriented logics for annotation-based retrieval in digital libraries}",
	year          = 2006,
}