@inproceedings{PODS-1986-AfratiPPRSU,
	author        = "Foto N. Afrati and Christos H. Papadimitriou and George Papageorgiou and Athena Roussou and Yehoshua Sagiv and Jeffrey D. Ullman",
	booktitle     = "{Proceedings of the Fifth Symposium on Principles of Database Systems}",
	doi           = "10.1145/6012.15400",
	isbn          = "0-89791-179-2",
	pages         = "24--30",
	publisher     = "{ACM}",
	title         = "{Convergence of Sideways Query Evaluation}",
	year          = 1986,
}