- Evidence & Conclusion Ontology (ECO) CC0-1.0
Evidence & Conclusion Ontology (ECO) project; original artifact license CC0-1.0 (https://creativecommons.org/publicdomain/zero/1.0/); https://obofoundry.org/ontology/eco.html
http://purl.obolibrary.org/obo/ECO_0000004 ; https://purl.obolibrary.org/obo/eco.owl ; snapshot SHA-256 3cd12afd4668455a8d441fcff70592be234e1547d0443ac0631fadf5c95ead2c ; exact artifact license https://creativecommons.org/publicdomain/zero/1.0/ ; retrieved 2026-11-07