- Occupation Ontology (OccO) CC-BY-4.0
Occupation Ontology (OccO) project; creators: Eric Merrell; Damion Dooley; Jie Zheng; John Beverley; John Judkins; Matthew Diller; Oliver He; Sam Smith; William Duncan; William R. Hogan; original artifact license CC-BY-4.0 (http://creativecommons.org/licenses/by/4.0/); https://obofoundry.org/ontology/occo.html
http://purl.obolibrary.org/obo/OCCO_19400000 ; https://purl.obolibrary.org/obo/occo.owl ; snapshot SHA-256 97462cabc824526898e486c6d780d62ab13b81ec98d30d4f05df41178b2d9f37 ; exact artifact license http://creativecommons.org/licenses/by/4.0/ ; retrieved 2026-11-07