OpenWeb Standards

OWL-Time

Time Ontology in OWL

OWL-DL ontology of temporal concepts — instants, intervals, durations, temporal relations. W3C/OGC standard.

w3ctimetemporalevents
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Class Hierarchy

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Use Cases

When and where you'd use this ontology in practice.

01

Temporal reasoning in knowledge graphs

02

Event scheduling and calendar systems

03

Sensor data timestamping

04

Historical data modeling with intervals

Details

Maintained By
W3C / OGC
License
Open
W3C Software and Document LicenseW3C-Software-and-Document-License
Attribution required

Derived from OWL-Time, Copyright (c) 2022 World Wide Web Consortium. Source: https://www.w3.org/TR/owl-time/

Verified against the licence text on 2026-08-07.

Category
Web Standards
Website
https://www.w3.org/TR/owl-time/

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