https://sportschema.org/ontologies/
Ontology reference | IPTC Sport Schema
The next generation of sports data, based on IPTC’s SportsML and semantic web principles. A high level model that describes the core elements of competitive...
iptc sport schemaontology reference
https://zeitgeist.freedesktop.org/documentation/latest/C/zeitgeist-2.0-ontology.html
ontology: Zeitgeist Reference Manual
reference manualontologyzeitgeist
https://www.w3.org/TR/2004/REC-owl-ref-20040210/
OWL Web Ontology Language Reference
web ontology languageowlreference