Book Section

Calì, Andrea and Gottlob, G. and Lukasiewicz, T. (2009) Datalog±: a unified approach to ontologies and integrity constraints. In: Fagin, R. (ed.) Proceedings of the 12th International Conference on Database Theory - ICDT '09. ACM International Conference Proceeding Series 361. New York, U.S.: ACM Publications, pp. 14-30. ISBN 9781605584232.