@inproceedings{ILPS-1993-ChenSW,
	author        = "Weidong Chen and Terrance Swift and David Scott Warren",
	booktitle     = "{Proceedings of the International Symposium on Logic Programming}",
	isbn          = "0-262-63152-0",
	pages         = "679",
	publisher     = "{MIT Press}",
	title         = "{Goal-Directed Evaluation of Well-Founded Sematics for XSB}",
	year          = 1993,
}