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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Detalles Bibliográficos
Publicado en:	ACM transactions on database systems. 22, 3 (1997).
Autor Principal:	Eiter, Thomas
Outros autores:	Gottlob, Georg, Mannila, Heikki
Formato:	Artigo
Idioma:	English
Subjects:	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.