The following publications are possibly variants of this publication:
- Conjunctive Query Answering in Probabilistic Datalog+/- OntologiesGeorg Gottlob, Thomas Lukasiewicz, Gerardo I. Simari. rr 2011: 77-92 [doi]
- Tractable Query Answering over Ontologies with Datalog+/-Andrea Calì, Georg Gottlob, Thomas Lukasiewicz. dlog 2009: [doi]
- Datalog Extensions for Tractable Query Answering over OntologiesAndrea Calì, Georg Gottlob, Thomas Lukasiewicz. In Roberto De Virgilio, Fausto Giunchiglia, Letizia Tanca, editors, Semantic Web Information Management - A Model-Based Perspective. pages 249-279, Springer, 2009. [doi]
- A general datalog-based framework for tractable query answering over ontologiesAndrea Calì, Georg Gottlob, Thomas Lukasiewicz. PODS 2009: 77-86 [doi]
- Datalog:::±:::: a unified approach to ontologies and integrity constraintsAndrea Calì, Georg Gottlob, Thomas Lukasiewicz. icdt 2009: 14-30 [doi]
- Inconsistent Ontology Handling by Translating Description Logics into Defeasible Logic ProgrammingSergio Alejandro Gómez, Carlos Iván Chesñevar, Guillermo Ricardo Simari. aepia, 11(35):11-22, 2007. [doi]