@conference {16481,
	title = {Semantics for Rule-based Programs that Express Non-determinism, Causality and Exception Handling Behavior},
	booktitle = {Workshop on Deductive Databases, JICSLP},
	year = {1992},
	month = {1992///},
	pages = {163 - 174},
	author = {Raschid, Louiqa}
}
