@inproceedings{ISLP-1991-RamakrishnanS,
	author        = "Raghu Ramakrishnan and S. Sudarshan",
	booktitle     = "{Proceedings of the Eighth International Symposium on Logic Programming}",
	isbn          = "0-262-69147-7",
	pages         = "321--336",
	publisher     = "{MIT Press}",
	title         = "{Top-Down versus Bottom-Up Revisited}",
	year          = 1991,
}