Ontology

ECO

Evidence and Conclusion Ontology

Evidence codes can be used to specify the type of supporting evidence for a piece of knowledge. This allows inference of a 'level of support' between an entity and an annotation made to an entity.

assaybiocurationcomputational biologycurated informationdigital curationevidencelife scienceliterature curation
A86

FAIR 48/48

Version 2026-07-10

Evaluated 26 Oct 2026

How scores work

Source & access

Homepageevidenceontology.org Repositorygithub.com DownloadCanonical file / PURL Browse in OLSEMBL-EBI Ontology Lookup ServiceBrowse in BioPortalNCBO BioPortalBrowse in OBO FoundryOBO Foundry registry

Portals & registries

SourceIDVersionClassesPropertiesIndividualsLoaded
OLS (EMBL-EBI)eco2026-07-103,358911825 Oct 2026
OBO Dashboardeco2026-07-102,258——18 Jul 2026

Ontology IRI http://purl.obolibrary.org/obo/eco.owl
Version IRI http://purl.obolibrary.org/obo/eco/releases/2026-07-10/eco.owl

Languages en

Imports from (16)
BFO CHEBI CHMO CL COB GO IAO IDO NCBITaxon OBI PATO PR RO SO UBERON UO

Reused by (4)
MRO DOID ORPHA VALUESETS

Logical consistency
consistent · 0 unsatisfiable
OWL 2 DL
yes
ROBOT report
0 errors · 295 warnings · 637 info
OBO principles
FP01FP02FP03FP04FP05FP06FP07FP08FP09FP11FP12FP16FP20
Axioms
23,144 · 1.78% entities reused

Also registered as
aberowl: ECO biodivportal: ECO bioportal: ECO fairsharing: FAIRsharing.wvpgwn obofoundry: eco ols: eco ontobee: ECO wikidata.entity: Q28445410

Automated evaluation

F Findable FAIR12/12
  • Persistent identifier (F1)purl.obolibrary.org+4
  • Indexed in services (F4)5: OLS, BioPortal, OBO Foundry, Bioregistry, FAIRsharing+5
  • Citable reference (F2)doi:10.1093/nar/gkab1025+3
A Accessible FAIR12/12
  • Homepage reachableHTTP 200+3
  • Artefact retrievable over HTTP(S) (A1)download HTTP 200+6
  • Metadata persists in a registry (A2)OBO Foundry, Bioregistry+3
I Interoperable FAIR12/12
  • Formal machine-readable format (I1)OWL, OBO+5
  • Semantic-web IRIs (I2)OWL, OBO+3
  • References other vocabularies (I3)imports 16: bfo, chebi, chmo, cl, cob, go, iao, ido…+4
R Reusable FAIR12/12
  • Clear license (R1.1)CC0 1.0+5
  • Release provenance (R1.2)2026-07-10 (version IRI in the artefact)+4
  • Community standards (R1.3)OBO principles: 12/13 checks pass+3
Q Ontology consistency & quality19/20
  • Logical consistencyconsistent, 0 unsatisfiable classes (OBO Dashboard)+10
  • OWL 2 DL profilein OWL 2 DL+2
  • Upper-ontology alignmentimports BFO, COB+3
  • Standard relations (RO)imports RO+1
  • ROBOT report: no errors0 errors+2
  • ROBOT report: warning density295 warnings / 2258 classes = 0.130
  • Pitfall scan: no critical pitfallsno pitfall scan yet; ROBOT report has 0 errors+1
M Maintenance13/16
  • Recency2026-07-10 → 3.5 months (≤ 6 months)+8
  • Release cadence (12 months)4 releases (GitHub releases)+5
U Community adoption6/16
  • Documented adopting projects2 projects+2
  • Reused by other ontologies4: mro, doid, ordo, valuesets+2
  • Community signalmax(stars 56 → 2, citations 74 → 2)+2
P Penalties (inactivity & inconsistency)0
  • Time since last activity0.3 years → 4 × max(0, 0.3 − 1)0
  • Inactive statusnot archived, legacy or inactive0
  • Consistencyconsistent, no unsatisfiable classes0

FAIR subtotal 48/48 · earned 86/100 = 86/100 → grade A

Community adoption 2

  • geneontology.org

    ECO is used by the GO consortium for evidence on GO associations

    Source: OBO Foundry registry
  • monarchinitiative.org

    ECO is used by the Monarch Initiative for evidence types for disease to phenotype annotations.

    Source: OBO Foundry registry

Know a project that uses ECO? Suggest it.

History & changes 1 run

History starts with the first archived run; changes appear after the next evaluation.

RunScoreFAIRVersion evaluatedTermsSnapshot
26 Oct 2026, 03:31 UTC86 A482026-07-103,358JSON

Provenance

Every fact on this page was fetched automatically. Each row shows where it came from and when. If a source fails, the last good value is kept and marked “carried forward”.

FactSourceRetrieved
Homepage link check (HTTP 200)evidenceontology.org26 Oct 2026, 02:53 UTC
Repository link check (HTTP 200)github.com26 Oct 2026, 02:53 UTC
Download link check (HTTP 200)purl.obolibrary.org26 Oct 2026, 02:53 UTC
Artefact header (version IRI)raw.githubusercontent.com26 Oct 2026, 02:53 UTC
Git refs (commit 6bbc073, latest tag v2026-07-10)github.com26 Oct 2026, 02:53 UTC
GitHub repository statisticsapi.github.com26 Oct 2026, 02:53 UTC
OLS classes, imports, version & releaseebi.ac.uk26 Oct 2026, 02:53 UTC
OBO Foundry status, license & usagesobofoundry.org26 Oct 2026, 02:37 UTC
Bioregistry mappings, dependencies & reusebioregistry.io26 Oct 2026, 02:53 UTC
OBO Dashboard (checked 18 Jul 2026)dashboard.obofoundry.org26 Oct 2026, 02:37 UTC
Crossref citations (doi:10.1093/nar/gkab1025)api.crossref.org26 Oct 2026, 02:53 UTC
Crossref citations (doi:10.1093/nar/gky1036)api.crossref.org26 Oct 2026, 02:53 UTC

Run 2026-10-26T02-37-38Z · evaluator v2.0.0 · rubric v3.4 · entry.json · run snapshot

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