@inproceedings{VLDB-1985-Gregor,
	author        = "Robert M. MacGregor",
	booktitle     = "{Proceedings of the 11th International Conference on Very Large Data Bases}",
	ee            = "http://www.vldb.org/conf/1985/P305.PDF",
	pages         = "305--315",
	publisher     = "{Morgan Kaufmann}",
	title         = "{ARIEL — A Semantic Front-End to Relational DBMSs}",
	year          = 1985,
}