Book Section

Calì, Andrea and Gottlob, G. and Lukasiewicz, T. (2009) A general datalog-based framework for tractable query answering over ontologies. In: Paredaens, J. and Su, J. (eds.) Proceedings of the twenty-eighth ACM SIGMOD-SIGACT-SIGART symposium on Principles of database systems - PODS '09. New York, U.S.: ACM Publications, pp. 77-86. ISBN 9781605585536.