Ontology

CDAO

Comparative Data Analysis Ontology

a formalization of concepts and relations relevant to evolutionary comparative analysis

bioinformaticsbiomedical scienceevolutionevolutionary biologylife sciencemolecular biologyoboontology
D50

FAIR 45/48

Version 2024-01-25

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)cdao2024-01-251641442625 Oct 2026
OBO Dashboardcdao2024-01-25132——9 Dec 2025

Ontology IRI http://purl.obolibrary.org/obo/cdao.owl
Version IRI http://purl.obolibrary.org/obo/cdao/2024-01-25/cdao.owl

Languages en

Imports from (2)
BFO IAO

Reused by (2)
MIAPA ORTH

Logical consistency
consistent · 0 unsatisfiable
OWL 2 DL
no
ROBOT report
1 errors · 214 warnings · 8 info
OBO principles
FP01FP02FP03FP04FP05FP06FP07FP08FP09FP11FP12FP16FP20
Axioms
899 · 6.87% entities reused

Also registered as
aberowl: CDAO agroportal: CDAO bioportal: CDAO fairsharing: FAIRsharing.kay31r obofoundry: cdao ols: cdao ontobee: CDAO wikidata.entity: Q55118328

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:10.4137/ebo.s2320+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 FAIR10/12
  • Formal machine-readable format (I1)OWL+5
  • Semantic-web IRIs (I2)OWL+3
  • References other vocabularies (I3)imports 2: bfo, iao+2
R Reusable FAIR11/12
  • Clear license (R1.1)CC0 1.0+5
  • Release provenance (R1.2)2024-01-25 (version IRI in the artefact)+4
  • Community standards (R1.3)OBO principles: 9/13 checks pass+2
Q Ontology consistency & quality13/20
  • Logical consistencyconsistent, 0 unsatisfiable classes (OBO Dashboard)+10
  • OWL 2 DL profileoutside OWL 2 DL0
  • Upper-ontology alignmentimports BFO+3
  • Standard relations (RO)does not import the Relation Ontology0
  • ROBOT report: no errors1 errors0
  • ROBOT report: warning density214 warnings / 132 classes = 1.620
  • Pitfall scan: no critical pitfallsno pitfall scan yet; ROBOT report has 1 errors0
M Maintenance0/16
  • Recency2024-01-25 → 33.0 months (older / unknown)0
  • Release cadence (12 months)0 releases (GitHub releases)0
U Community adoption2/16
  • Documented adopting projects0 projects0
  • Reused by other ontologies2: miapa, orth+1
  • Community signalmax(stars 9 → 1, citations 18 → 1)+1
P Penalties (inactivity & inconsistency)-10
  • Time since last activity2.7 years → 4 × max(0, 2.7 − 1)-7
  • Inactive statusnot archived, legacy or inactive0
  • Consistencyconsistent, no unsatisfiable classes0
  • ROBOT report errors1 errors-3

FAIR subtotal 45/48 · earned 60/100 − 10 inactivity = 50/100 → grade D

Community adoption 0

No adopting projects documented yet.

Know a project that uses CDAO? 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 UTC50 D452024-01-25164JSON

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, 02:41 UTC
Repository link check (HTTP 200)github.com26 Oct 2026, 02:41 UTC
Download link check (HTTP 200)purl.obolibrary.org26 Oct 2026, 02:41 UTC
Artefact header (version IRI)raw.githubusercontent.com26 Oct 2026, 02:41 UTC
Git refs (commit 31442f5, latest tag cdao-rel-2024-01-25)github.com26 Oct 2026, 02:41 UTC
GitHub repository statisticsapi.github.com26 Oct 2026, 02:41 UTC
OLS classes, imports, version & releaseebi.ac.uk26 Oct 2026, 02:41 UTC
OBO Foundry status, license & usagesobofoundry.org26 Oct 2026, 02:37 UTC
Bioregistry mappings, dependencies & reusebioregistry.io26 Oct 2026, 02:41 UTC
OBO Dashboard (checked 9 Dec 2025)dashboard.obofoundry.org26 Oct 2026, 02:37 UTC
Crossref citations (doi:10.4137/ebo.s2320)api.crossref.org26 Oct 2026, 02:41 UTC

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

How to cite