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On the Web Ontology Rule Language OWL 2 RL
2011 (English)In: Proceedings of the 3rd International Conference on Computational Collective Intelligence, Technologies and Applications (ICCCI) / [ed] Piotr Jedrzejowicz, Ngoc Thanh Nguyen and Kiem Hoang, Springer Berlin/Heidelberg, 2011, 254-264Conference paper (Refereed)
Abstract [en]

It is known that the OWL 2 RL Web Ontology Language Profile has PTime data complexity and can be translated into Datalog. However, a knowledge base in OWL 2 RL may be unsatisfiable. The reason is that, when translated into Datalog, the result may consist of a Datalog program and a set of constraints in the form of negative clauses. In this paper we first identify a maximal fragment of OWL 2 RL called OWL 2 RL + with the property that every knowledge base expressed in this fragment can be translated into a Datalog program and hence is satisfiable. We then propose some extensions of OWL 2 RL and OWL 2 RL +  that still have PTime data complexity.

Series
Lecture Notes in Computer Science, ISSN 0302-9743 ; 6922
National Category
Computer Science
Identifiers
urn:nbn:se:liu:diva-72697 (URN)10.1007/978-3-642-23935-9_25 (DOI)978-3-642-23934-2 (ISBN)oai:DiVA.org:liu-72697 (OAI)diva2:461560 (DiVA)
Conference
Computational Collective Intelligence. Technologies and Applications
Available from2011-12-05 Created:2011-12-05 Last updated:2012-01-24

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Cao, Son ThanhNguyen, Anh LinhSzalas, Andrzej
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Vinh University, VietnamKPLAB - Knowledge Processing LabThe Institute of Technology
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ReferencesLink to record
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