Time Ontology in OWL

Jerry R. Hobbs, Feng Pan

Jerry R. Hobbs, Feng Pan, Time Ontology in OWL, World Wide Web Consortium, Working Draft WD-owl-time-20060927, September 2006.

This document presents an ontology of temporal concepts, OWL-Time (formerly DAML-Time), for describing the temporal content of Web pages and the temporal properties of Web services. The ontology provides a vocabulary for expressing facts about topological relations among instants and intervals, together with information about durations, and about datetime information. We also demonstrate in detail, using the Congo.com and Bravo Air examples from OWL-S, how this time ontology can be used to support OWL-S, including use cases for defining input parameters and (conditional) output parameters. A use case for meeting scheduling is also shown. In the appendix we also describe a time zone resource in OWL we developed for not only the US but also the entire world, including the time zone ontology, the US time zone instances, and the world time zone instances.


Keywords: OWL (Web Ontology Language)0.9;


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