- Data Use Ontology CC-BY-4.0
Data Use Ontology project; creators: Contributors to the GA4GH Data Use Ontology workstream are listed at https://github.com/EBISPOT/DUO/blob/master/README.md#contributions; Melanie Courtot; original artifact license CC-BY-4.0 (http://creativecommons.org/licenses/by/4.0/); https://obofoundry.org/ontology/duo.html
http://purl.obolibrary.org/obo/DUO_0000020 ; https://purl.obolibrary.org/obo/duo.owl ; snapshot SHA-256 6a34ce09ae07b1e37c6756e049c12129fd1104e7d9e6e2f8cee84d2ab374c45b ; exact artifact license http://creativecommons.org/licenses/by/4.0/ ; retrieved 2026-11-07