Linked Open Vocabularies

http://www.ontology-of-units-of-measure.org/resource/om-2/

The Ontology of units of Measure (OM) 2.0 models concepts and relations important to scientific research. It has a strong focus on units, quantities, measurements, and dimensions. @en

poso- Positioning System Ontology

http://purl.org/poso/

This ontology provides the terminologies used for positioning systems. @en

synsem- Lexicon Model for Ontologies - Synsem

http://www.w3.org/ns/lemon/synsem

A model for the representation of lexical information relative to ontologies. Syntax and semantics module. @en

time- Time Ontology

http://www.w3.org/2006/time

This vocabulary defines temporal entities such as time intervals, their properties and relationships. @en

vartrans- Lexicon Model for Ontologies - Vartrans

http://www.w3.org/ns/lemon/vartrans

A model for the representation of lexical information relative to ontologies. Variation and translation module. @en