@inproceedings{PODS-1994-Afrati,
	author        = "Foto N. Afrati",
	booktitle     = "{Proceedings of the 13th Symposium on Principles of Database Systems}",
	doi           = "10.1145/182591.182603",
	isbn          = "0-89791-642-5",
	pages         = "97--106",
	publisher     = "{ACM Press}",
	title         = "{Bounded Arity Datalog (!=) Queries on Graphs}",
	year          = 1994,
}