@inproceedings{PODS-1991-LakshmananH,
	author        = "Laks V. S. Lakshmanan and Héctor J. Hernández",
	booktitle     = "{Proceedings of the 10th Symposium on Principles of Database Systems}",
	cdrom         = "['journals/anthology/cd1-3:PODS91/P102.PDF', 'journals/anthology/dvd1:text/1-3/PODS91/P102.PDF']",
	doi           = "10.1145/113413.113423",
	isbn          = "0-89791-430-9",
	pages         = "102--114",
	publisher     = "{ACM Press}",
	title         = "{Structural Query Optimization — A uniform Framework for Semantic Query Optimization in Deductive Databases}",
	year          = 1991,
}