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W3C Recommendation: Time Ontology in OWL

W3C Recommendation: Time Ontology in OWL

Tim Finin, 11:54am 26 October 2017

W3C Recommendation: Time Ontology in OWL

The Spatial Data on the Web Working Group has published a W3C Recommendation of the Time Ontology in OWL specification. The ontology provides a vocabulary for expressing facts about  relations among instants and intervals, together with information about durations, and about temporal position including date-time information. Time positions and durations may be expressed using either the conventional Gregorian calendar and clock, or using another temporal reference system such as Unix-time, geologic time, or different calendars.


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