@inproceedings{VLDB-1993-Plexousakis,
	author        = "Dimitris Plexousakis",
	booktitle     = "{Proceedings of the 19th International Conference on Very Large Data Bases}",
	ee            = "http://www.vldb.org/conf/1993/P146.PDF",
	isbn          = "1-55860-152-X",
	pages         = "146--157",
	publisher     = "{Morgan Kaufmann}",
	title         = "{Integrity Constraint and Rule Maintenance in Temporal Deductive Knowledge Bases}",
	year          = 1993,
}