Disjunctive datalog.

We consider disjunctive Datalog, a powerful database query language based on disjunctive logic programming. Briefly, disjunctive Datalog is a variant of Datalog where disjunctions may appear in the rule heads; advanced versions also allow for negation in the bodies which can be handled according to...

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Foilsithe in:	ACM transactions on database systems. 22, 3 (1997).
Príomhchruthaitheoir:	Eiter, Thomas
Rannpháirtithe:	Gottlob, Georg, Mannila, Heikki
Formáid:	Alt
Teanga:	English
Ábhair:	Information systems. Database management. Languages. Datalog. Software. Programming techniques. Theory of computation. Analysis of algorithms and problem complexity. Mathematical logic and formal languages. Mathematical logic. Logic and constraint programming. Query languages. Computing Methodologies. Artificial intelligence. Theory.