Ontology
OWL
Web Ontology Language
Overview of the Web Ontology Language (OWL) which provides an introduction to OWL by informally describing the features of each of the sublanguages.
Source & access
Portals & registries
| Source | ID | Version | Classes | Properties | Individuals | Loaded |
|---|---|---|---|---|---|---|
| OLS (EMBL-EBI) | owl | $Date: 2009/11/15 10:54:12 $ | 32 | 58 | 0 | 25 Oct 2026 |
Ontology IRI http://www.w3.org/2002/07/owl
Version IRI http://www.w3.org/2002/07/owl
Languages en
Reused by (140)
ADO AEO AFO AGRO AISM APO APOLLO_SV BAO BCGO BCO BMONT BSPO BTO CARO CEPH CHEMINF CHIRO CIDO CL CMO COLAO CTENO DCAT DDPHENO DOID ECO ECOCORE EDAM EFO EHDAA2 EMAPA EMI EMRO ENM ENVO EPIO EXMO FAO FBbi FBbt FBcv FBdv FLOPO FOODON FYPO GAZ GENEPIO GENO GO GSSO HANCESTRO HAO HCAO HOM HP HRA HsapDv HSO HTN ICEO ICO IDO IDOCOVID19 IDOMAL LABO LEPAO MCRO MFOMD MI MIAPA MICRO MIRO MMO MmusDv MOD MONDO MP MPATH MRO MS MSIO NBO NGBO OAE OBA OBI OGSF OHD OHMI OHPI OMIABIS OMP ONE ONS ONTONEO OPMI PAIN PATO PDRO PECO PHIPO PLANA PLANP PO PORO PR PREFER PRIDE PROCO PROV-O PW RBO REPRODUCEME RXNO SEPIO SIBO SLSO SO SPD SWO SYMP T4FS TAO TFO TO TRANS TTO UBERON uniprot.core VBO VSAO VT WBbt WBls WBPhenotype XAO XCO XLMOD ZFA ZFS
Also registered as
ols: owl
Automated evaluation
- Persistent identifier (F1)no PURL / w3id / DOI for the artefact0
- Indexed in services (F4)2: OLS, Bioregistry+3
- Citable reference (F2)no reference publication listed0
- Homepage reachableHTTP 200+3
- Artefact retrievable over HTTP(S) (A1)download HTTP 200+6
- Metadata persists in a registry (A2)Bioregistry+3
- Formal machine-readable format (I1)OWL+5
- Semantic-web IRIs (I2)OWL+3
- References other vocabularies (I3)no imported vocabularies found0
- Clear license (R1.1)none found0
- Release provenance (R1.2)07 (version IRI in the artefact)+4
- Community standards (R1.3)no independent compliance report (not on the OBO Dashboard)0
- 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
- Recency2009-11-15 → 203.3 months (older / unknown)0
- Release cadence (12 months)0 releases0
- Documented adopting projects0 projects0
- Reused by other ontologies313 vocabularies (LOV)+4
- Community signalmax(stars 0 → 0, citations 0 → 0)0
- Time since last activity16.9 years → 4 × max(0, 16.9 − 1) (capped)-20
- Inactive statusnot archived, legacy or inactive0
- Consistencynot yet checked by a reasoner0
FAIR subtotal 27/48 · earned 31/100 − 20 inactivity = 11/100 → grade E
History & changes 1 run
History starts with the first archived run; changes appear after the next evaluation.
| Run | Score | FAIR | Version evaluated | Terms | Snapshot |
|---|---|---|---|---|---|
| 26 Oct 2026, 03:31 UTC | 11 E | 27 | 07 | 32 | 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”.
| Fact | Source | Retrieved |
|---|---|---|
| Homepage link check (HTTP 200) | w3.org | 26 Oct 2026, 03:13 UTC |
| Download link check (HTTP 200) | w3.org | 26 Oct 2026, 03:13 UTC |
| Artefact header (version IRI) | w3.org | 26 Oct 2026, 03:13 UTC |
| OLS classes, imports, version & release | ebi.ac.uk | 26 Oct 2026, 03:13 UTC |
| Bioregistry mappings, dependencies & reuse | bioregistry.io | 26 Oct 2026, 03:13 UTC |
Run 2026-10-26T02-37-38Z · evaluator v2.0.0 · rubric v3.4 · entry.json · run snapshot