@inproceedings{KR-1998-Lenzerini,
	author        = "Maurizio Lenzerini",
	booktitle     = "{Proceedings of the Sixth International Conference on Principles of Knowledge Representation and Reasoning}",
	pages         = "652",
	publisher     = "{Morgan Kaufmann}",
	title         = "{Description Logics and their Applications}",
	year          = 1998,
}