Ontology

CRO

Contributor Role Ontology

A classification of the diverse roles performed in the work leading to a published research output in the sciences. Its purpose to provide transparency in contributions to scholarly published work, to enable improved systems of attribution, credit, and accountability.

attributioncontributor rolesoboontology
D48

FAIR 44/48

Version 2019-12-11

Evaluated 26 Oct 2026

How scores work

Source & access

Homepagegithub.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)cro2019-12-11145734225 Oct 2026
OBO Dashboardcro2019-12-11105——9 Dec 2025

Ontology IRI http://purl.obolibrary.org/obo/cro.owl
Version IRI http://purl.obolibrary.org/obo/cro/releases/2019-12-11/cro.owl

Languages en

Imports from (3)
BFO IAO RO

Logical consistency
consistent · 0 unsatisfiable
OWL 2 DL
no
ROBOT report
3 errors · 9 warnings · 0 info
OBO principles
FP01FP02FP03FP04FP05FP06FP07FP08FP09FP11FP12FP16FP20
Axioms
661 · 21.6% entities reused

Also registered as
aberowl: CRO bioportal: CRO obofoundry: cro ols: cro ontobee: CRO wikidata.entity: Q70987840

Automated evaluation

F Findable FAIR9/12
  • Persistent identifier (F1)purl.obolibrary.org+4
  • Indexed in services (F4)4: OLS, BioPortal, OBO Foundry, Bioregistry+5
  • Citable reference (F2)no reference publication listed0
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 3: bfo, iao, ro+4
R Reusable FAIR11/12
  • Clear license (R1.1)CC-BY-2.0+5
  • Release provenance (R1.2)2019-12-11 (version IRI in the artefact)+4
  • Community standards (R1.3)OBO principles: 9/13 checks pass+2
Q Ontology consistency & quality14/20
  • Logical consistencyconsistent, 0 unsatisfiable classes (OBO Dashboard)+10
  • OWL 2 DL profileoutside OWL 2 DL0
  • Upper-ontology alignmentimports BFO+3
  • Standard relations (RO)imports RO+1
  • ROBOT report: no errors3 errors0
  • ROBOT report: warning density9 warnings / 105 classes = 0.090
  • Pitfall scan: no critical pitfallsno pitfall scan yet; ROBOT report has 3 errors0
M Maintenance0/16
  • Recency2023-08-16 → 38.3 months (older / unknown)0
  • Release cadence (12 months)0 releases (GitHub releases)0
U Community adoption2/16
  • Documented adopting projects0 projects0
  • Reused by other ontologies00
  • Community signalmax(stars 25 → 2, citations 0 → 0)+2
P Penalties (inactivity & inconsistency)-12
  • Time since last activity3.2 years → 4 × max(0, 3.2 − 1)-9
  • Inactive statusnot archived, legacy or inactive0
  • Consistencyconsistent, no unsatisfiable classes0
  • ROBOT report errors3 errors-3

FAIR subtotal 44/48 · earned 60/100 − 12 inactivity = 48/100 → grade D

Community adoption 0

No adopting projects documented yet.

Know a project that uses CRO? 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 UTC48 D442019-12-11145JSON

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)github.com26 Oct 2026, 02:48 UTC
Repository link check (HTTP 200)github.com26 Oct 2026, 02:48 UTC
Download link check (HTTP 200)purl.obolibrary.org26 Oct 2026, 02:48 UTC
Artefact header (version IRI)raw.githubusercontent.com26 Oct 2026, 02:48 UTC
Git refs (commit c7d4c22, latest tag v2019-12-11)github.com26 Oct 2026, 02:48 UTC
GitHub repository statisticsapi.github.com26 Oct 2026, 02:48 UTC
OLS classes, imports, version & releaseebi.ac.uk26 Oct 2026, 02:48 UTC
OBO Foundry status, license & usagesobofoundry.org26 Oct 2026, 02:37 UTC
Bioregistry mappings, dependencies & reusebioregistry.io26 Oct 2026, 02:48 UTC
OBO Dashboard (checked 9 Dec 2025)dashboard.obofoundry.org26 Oct 2026, 02:37 UTC

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