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Home / Proceedings / Proceedings of the AAAI Conference on Artificial Intelligence, 28 / No. 1: Twenty-Eighth AAAI Conference On Artificial Intelligence

Datalog Rewritability of Disjunctive Datalog Programs and its Applications to Ontology Reasoning

March 8, 2023

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Authors

Mark Kaminski

University of Oxford


Yavor Nenov

University of Oxford


Bernardo Cuenca Grau

University of Oxford


DOI:

10.1609/aaai.v28i1.8854


Abstract:

We study the problem of rewriting a disjunctive datalog program into plain datalog. We show that a disjunctive program is rewritable if and only if it is equivalent to a linear disjunctive program, thus providing a novel characterisation of datalog rewritability. Motivated by this result, we propose weakly linear disjunctive datalog -- a novel rule-based KR language that extends both datalog and linear disjunctive datalog and for which reasoning is tractable in data complexity. We then explore applications of weakly linear programs to ontology reasoning and propose a tractable extension of OWL 2 RL with disjunctive axioms. Our empirical results suggest that many non-Horn ontologies can be reduced to weakly linear programs and that query answering over such ontologies using a datalog engine is feasible in practice.

Topics: AAAI

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HOW TO CITE:

Mark Kaminski|| Yavor Nenov|| Bernardo Cuenca Grau Datalog Rewritability of Disjunctive Datalog Programs and its Applications to Ontology Reasoning Proceedings of the AAAI Conference on Artificial Intelligence, 28 (2014) .

Mark Kaminski|| Yavor Nenov|| Bernardo Cuenca Grau Datalog Rewritability of Disjunctive Datalog Programs and its Applications to Ontology Reasoning AAAI 2014, .

Mark Kaminski|| Yavor Nenov|| Bernardo Cuenca Grau (2014). Datalog Rewritability of Disjunctive Datalog Programs and its Applications to Ontology Reasoning. Proceedings of the AAAI Conference on Artificial Intelligence, 28, .

Mark Kaminski|| Yavor Nenov|| Bernardo Cuenca Grau. Datalog Rewritability of Disjunctive Datalog Programs and its Applications to Ontology Reasoning. Proceedings of the AAAI Conference on Artificial Intelligence, 28 2014 p..

Mark Kaminski|| Yavor Nenov|| Bernardo Cuenca Grau. 2014. Datalog Rewritability of Disjunctive Datalog Programs and its Applications to Ontology Reasoning. "Proceedings of the AAAI Conference on Artificial Intelligence, 28". .

Mark Kaminski|| Yavor Nenov|| Bernardo Cuenca Grau. (2014) "Datalog Rewritability of Disjunctive Datalog Programs and its Applications to Ontology Reasoning", Proceedings of the AAAI Conference on Artificial Intelligence, 28, p.

Mark Kaminski|| Yavor Nenov|| Bernardo Cuenca Grau, "Datalog Rewritability of Disjunctive Datalog Programs and its Applications to Ontology Reasoning", AAAI, p., 2014.

Mark Kaminski|| Yavor Nenov|| Bernardo Cuenca Grau. "Datalog Rewritability of Disjunctive Datalog Programs and its Applications to Ontology Reasoning". Proceedings of the AAAI Conference on Artificial Intelligence, 28, 2014, p..

Mark Kaminski|| Yavor Nenov|| Bernardo Cuenca Grau. "Datalog Rewritability of Disjunctive Datalog Programs and its Applications to Ontology Reasoning". Proceedings of the AAAI Conference on Artificial Intelligence, 28, (2014): .

Mark Kaminski|| Yavor Nenov|| Bernardo Cuenca Grau. Datalog Rewritability of Disjunctive Datalog Programs and its Applications to Ontology Reasoning. AAAI[Internet]. 2014[cited 2023]; .


ISSN: 2374-3468


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