Ontology

CAO

Chemical Analysis Ontology

An ontology developed as part of the Chemical Analysis Metadata Project (ChAMP) as a resource to semantically annotate standards developed using the ChAMP platform. (source: CAO ontology)

analytical chemistrycharacterisation data heatchemistrynfdi4catontologytransport and kinetic data
D40

FAIR 38/48

Version 0.2

Evaluated 26 Oct 2026

How scores work

Source & access

Homepagechamp.stuchalk.domains.unf.edu Repositorygithub.com DownloadCanonical file / PURL Browse in OLSEMBL-EBI Ontology Lookup Service

Portals & registries

SourceIDVersionClassesPropertiesIndividualsLoaded
OLS (EMBL-EBI)cao0.244545025 Oct 2026
TIB Terminology Servicecao0.24455009 Nov 2024

Ontology IRI http://champ-project.org/images/ontology/cao.owl

Languages en en-us

Imports from (16)
BFO CHEBI CHMO EFO ENVO GAZ IAO INO MI MS OBCS OBI PATO SIO STATO UO

Also registered as
fairsharing: FAIRsharing.b97150 ols: cao tib.ts: cao

Automated evaluation

F Findable FAIR5/12
  • Persistent identifier (F1)no PURL / w3id / DOI for the artefact0
  • Indexed in services (F4)4: OLS, TIB, Bioregistry, FAIRsharing+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)Bioregistry+3
I Interoperable FAIR12/12
  • Formal machine-readable format (I1)OWL+5
  • Semantic-web IRIs (I2)OWL+3
  • References other vocabularies (I3)imports 16: bfo, chebi, chmo, efo, envo, gaz, iao, ino…+4
R Reusable FAIR9/12
  • Clear license (R1.1)CC BY 3.0+5
  • Release provenance (R1.2)0.2 (version info in the artefact)+4
  • Community standards (R1.3)no independent compliance report (not on the OBO Dashboard)0
Q Ontology consistency & quality3/20
  • Logical consistencynever checked by a reasoner0
  • OWL 2 DL profileprofile not checked0
  • Upper-ontology alignmentimports BFO+3
  • Standard relations (RO)does not import the Relation Ontology0
  • ROBOT report: no errorsno ROBOT report available0
  • ROBOT report: warning densityno ROBOT report available0
  • Pitfall scan: no critical pitfallsno pitfall scan or ROBOT report yet0
M Maintenance2/16
  • Recency2025-01-04 → 21.7 months (≤ 2 years)+2
  • Release cadence (12 months)0 releases0
U Community adoption0/16
  • Documented adopting projects0 projects0
  • Reused by other ontologies00
  • Community signalmax(stars 0 → 0, citations 0 → 0)0
P Penalties (inactivity & inconsistency)-3
  • Time since last activity1.8 years → 4 × max(0, 1.8 − 1)-3
  • Inactive statusnot archived, legacy or inactive0
  • Consistencynot yet checked by a reasoner0

FAIR subtotal 38/48 · earned 43/100 − 3 inactivity = 40/100 → grade D

Community adoption 0

No adopting projects documented yet.

Know a project that uses CAO? 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 UTC40 D380.2445JSON

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)champ.stuchalk.domains.unf.edu26 Oct 2026, 02:41 UTC
Repository link check (HTTP 200)github.com26 Oct 2026, 02:41 UTC
Download link check (HTTP 200)champ.stuchalk.domains.unf.edu26 Oct 2026, 02:41 UTC
Artefact header (version info)champ.stuchalk.domains.unf.edu26 Oct 2026, 02:41 UTC
Git refs (commit 1b0e351)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
TIB Terminology Service metricsservice.tib.eu26 Oct 2026, 02:41 UTC
Bioregistry mappings, dependencies & reusebioregistry.io26 Oct 2026, 02:41 UTC

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