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WORL: a nonmonotonic rule language for the semantic web
Vinh University, Nghe An, Vietnam .
University of Warsaw, Poland and VNU University of Engineering and Technology, Hanoi, Vietnam .
Linköping University, Department of Computer and Information Science, Artificial Intelligence and Intergrated Computer systems. Linköping University, The Institute of Technology. University of Warsaw, Poland. (KPLAB - Laboratoriet för kunskapsbearbetning)
2014 (English)In: Vietnam Journal of Computer Science, ISSN 2196-8888, EISSN 2196-8896, Vol. 1, no 1, 57-69 p.Article in journal (Refereed) Published
Abstract [en]

We develop a new Web ontology rule language, called WORL, which combines a variant of OWL 2 RL with eDatalog ¬ . We allow additional features like negation, the minimal number restriction and unary external checkable predicates to occur at the left-hand side of concept inclusion axioms. Some restrictions are adopted to guarantee a translation into eDatalog ¬ . We also develop the well-founded semantics and the stable model semantics for WORL as well as the standard semantics for stratified WORL (SWORL) via translation into eDatalog ¬ . Both WORL with respect to the well-founded semantics and SWORL with respect to the standard semantics have PTime data complexity. In contrast to the existing combined formalisms, in WORL and SWORL negation in concept inclusion axioms is interpreted using nonmonotonic semantics.

Place, publisher, year, edition, pages
Springer Berlin/Heidelberg, 2014. Vol. 1, no 1, 57-69 p.
Keyword [en]
OWL 2 RL, Datalog with negation, Semantic Web, Rule languages
National Category
Computer Systems
URN: urn:nbn:se:liu:diva-107339DOI: 10.1007/s40595-013-0009-yOAI: diva2:723537
Available from: 2014-06-11 Created: 2014-06-11 Last updated: 2014-08-01Bibliographically approved

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