Ontology

SKOS Core Vocabulary

An RDF vocabulary for describing the basic structure and content of concept schemes such as thesauri, classification schemes, subject heading lists, taxonomies, 'folksonomies', other types of controlled vocabulary, and also concept schemes embedded in glossaries and terminologies.

E0

FAIR 11/48

Version file of 2008-10-01

Evaluated 26 Oct 2026

How scores work

Source & access

Homepagew3.org DownloadCanonical file / PURL

Automated evaluation

F Findable FAIR0/12
  • Persistent identifier (F1)no PURL / w3id / DOI for the artefact0
  • Indexed in services (F4)not indexed anywhere0
  • Citable reference (F2)no reference publication listed0
A Accessible FAIR3/12
  • Homepage reachableHTTP 200+3
  • Artefact retrievable over HTTP(S) (A1)download resolves to a web page, not the file0
  • Metadata persists in a registry (A2)not in Bioregistry or OBO Foundry0
I Interoperable FAIR8/12
  • Formal machine-readable format (I1)OWL+5
  • Semantic-web IRIs (I2)OWL+3
  • References other vocabularies (I3)no imported vocabularies found0
R Reusable FAIR0/12
  • Clear license (R1.1)none found0
  • Release provenance (R1.2)no version in artefact, registry or release tags0
  • Community standards (R1.3)no independent compliance report (not on the OBO Dashboard)0
Q Ontology consistency & quality0/20
  • Logical consistencynever checked by a reasoner0
  • OWL 2 DL profileprofile not checked0
  • Upper-ontology alignmentno BFO/COB/DOLCE import found0
  • 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 Maintenance0/16
  • Recency2008-10-01 → 216.8 months (older / unknown)0
  • 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)-20
  • Time since last activity18.1 years → 4 × max(0, 18.1 − 1) (capped)-20
  • Inactive statusnot archived, legacy or inactive0
  • Consistencynot yet checked by a reasoner0

FAIR subtotal 11/48 · earned 11/100 − 20 inactivity = 0/100 → grade E

Community adoption 0

No adopting projects documented yet.

Know a project that uses SKOS Core Vocabulary? 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 UTC0 E11file of 2008-10-01—JSON

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)w3.org26 Oct 2026, 03:22 UTC
Download link check (HTTP 200)w3.org26 Oct 2026, 03:22 UTC
Artefact headerw3.org26 Oct 2026, 03:22 UTC

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