Datalog±: a unified approach to ontologies and integrity constraints.

We report on a recently introduced family of expressive extensions of Datalog, called Datalog±, which is a new framework for representing ontological axioms in form of integrity constraints, and for query answering under such constraints. Datalog± is derived from Datalog by allowing existentially qu...

Full description

Bibliographic Details
Main Authors: Calì, A, Gottlob, G, Lukasiewicz, T
Other Authors: Fagin, R
Format: Journal article
Language:English
Published: ACM 2009