tOWL : a temporal web ontology language

D.V. Milea, F. Frasincar, U. Kaymak

Research output: Contribution to journalArticleAcademicpeer-review

42 Citations (Scopus)

Abstract

Abstract Through its interoperability and reasoning capabilities, the Semantic Web opens a realm of possibilities for developing intelligent systems on the Web. The Web Ontology Language (OWL) is the most expressive standard language for modeling ontologies, the cornerstone of the Semantic Web. However, up until now, no standard way of expressing time and time-dependent information in OWL has been provided. In this paper, we present a temporal extension of the very expressive fragment ${cal SHIN}({cal D})$ of the OWL Description Logic language, resulting in the temporal OWL language. Through a layered approach, we introduce three extensions: 1) concrete domains, which allow the representation of restrictions using concrete domain binary predicates; 2) temporal representation, which introduces time points, relations between time points, intervals, and Allen's 13 interval relations into the language; and 3) timeslices/fluents, which implement a perdurantist view on individuals and allow for the representation of complex temporal aspects, such as process state transitions. We illustrate the expressiveness of the newly introduced language by using an example from the financial domain.
Original languageEnglish
Pages (from-to)268-281
Number of pages14
JournalIEEE Transactions on Systems, Man and Cybernetics. Part B, Cybernetics
Volume42
Issue number1
DOIs
Publication statusPublished - 2012

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