Ontology
NCIT
National Cancer Institute Thesaurus
NCI Thesaurus (NCIt) provides reference terminology covering vocabulary for clinical care, translational and basic research, and public information and administrative activities, providing a stable and unique identification code.
Source & access
- homepage github.com HTTP 200
- repository github.com HTTP 200
- download purl.obolibrary.org HTTP 200
Portals & registries
| Source | ID | Version | Classes | Properties | Individuals | Loaded |
|---|---|---|---|---|---|---|
| OLS (EMBL-EBI) | ncit | 26.02d | 209,910 | 258 | 0 | 25 Oct 2026 |
| TIB Terminology Service | ncit | — | 0 | 0 | 0 | — |
| OBO Dashboard | ncit | 2025-08-06 | 209,911 | — | — | 11 Dec 2025 |
Ontology IRI http://purl.obolibrary.org/obo/ncit.owl
Version IRI http://purl.obolibrary.org/obo/ncit/releases/2026-03-19/ncit.owl
Languages en
Imports from (1)
IAO
Reused by (51)
ADO ARO BMONT CTO ECTO EXMO FOODON GENEPIO GSSO HANCESTRO HSO MCO MONDO MS OBA OBIB ONS ONTOAVIDA OOSTT OPMI PLANP SCDO SLSO TXPO VO AFO AfPO BAO CIDO COHO COVOC CPONT DISDRIV DOID EFO ENM EPIO EUPATH GALLONT MIXS HCAO HRA ICO NGBO OHD ORNASEQ ORTH PAIN PRIDE SRAO VALUESETS
- Logical consistency
- consistent · 0 unsatisfiable
- OWL 2 DL
- no
- ROBOT report
- 18,683 errors · 301,789 warnings · 218 info
- OBO principles
- FP01FP02FP03FP04FP05FP06FP07FP08FP09FP11FP12FP16FP20
- Axioms
- 3,645,795 · 0.01% entities reused
Also registered as
aberowl: NCIT bioportal: NCIT fairsharing: FAIRsharing.4cvwxa obofoundry: ncit ols: ncit ontobee: NCIT tib.ts: ncit wikidata.entity: Q113012671
Automated evaluation
- Persistent identifier (F1)purl.obolibrary.org+4
- Indexed in services (F4)5: OLS, BioPortal, OBO Foundry, Bioregistry, FAIRsharing+5
- Citable reference (F2)doi:10.3233/ao-2008-0051+3
- Homepage reachableHTTP 200+3
- Artefact retrievable over HTTP(S) (A1)download HTTP 200+6
- Metadata persists in a registry (A2)OBO Foundry, Bioregistry+3
- Formal machine-readable format (I1)OWL, OBO+5
- Semantic-web IRIs (I2)OWL, OBO+3
- References other vocabularies (I3)imports 1: iao+2
- Clear license (R1.1)CC BY 4.0+5
- Release provenance (R1.2)2026-03-19 (version IRI in the artefact)+4
- Community standards (R1.3)OBO principles: 8/13 checks pass+2
- Logical consistencyconsistent, 0 unsatisfiable classes (OBO Dashboard)+10
- OWL 2 DL profileoutside OWL 2 DL0
- Upper-ontology alignmentno BFO/COB/DOLCE import found0
- Standard relations (RO)does not import the Relation Ontology0
- ROBOT report: no errors18683 errors0
- ROBOT report: warning density301789 warnings / 209911 classes = 1.440
- Pitfall scan: no critical pitfallsno pitfall scan yet; ROBOT report has 18683 errors0
- Recency2026-07-11 → 3.5 months (≤ 6 months)+8
- Release cadence (12 months)2 releases (GitHub releases)+3
- Documented adopting projects0 projects0
- Reused by other ontologies51: ado, aro, bmont, cto, ecto, exmo…+4
- Community signalmax(stars 3 → 0, citations 18 → 1)+1
- Time since last activity0.3 years → 4 × max(0, 0.3 − 1)0
- Inactive statusnot archived, legacy or inactive0
- Consistencyconsistent, no unsatisfiable classes0
- ROBOT report errors18683 errors-10
FAIR subtotal 45/48 · earned 71/100 − 10 inactivity = 61/100 → grade C
Community adoption 0
No adopting projects documented yet.
Know a project that uses NCIT? Suggest it.
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 | 61 C | 45 | 2026-03-19 | 209,910 | 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) | github.com | 26 Oct 2026, 03:07 UTC |
| Repository link check (HTTP 200) | github.com | 26 Oct 2026, 03:07 UTC |
| Download link check (HTTP 200) | purl.obolibrary.org | 26 Oct 2026, 03:07 UTC |
| Artefact header (version IRI) | release-assets.githubusercontent.com | 26 Oct 2026, 03:07 UTC |
| Git refs (commit c410c6f, latest tag v2026-03-19) | github.com | 26 Oct 2026, 03:07 UTC |
| GitHub repository statistics | api.github.com | 26 Oct 2026, 03:07 UTC |
| OLS classes, imports, version & release | ebi.ac.uk | 26 Oct 2026, 03:07 UTC |
| OBO Foundry status, license & usages | obofoundry.org | 26 Oct 2026, 02:37 UTC |
| TIB Terminology Service metrics | service.tib.eu | 26 Oct 2026, 03:07 UTC |
| Bioregistry mappings, dependencies & reuse | bioregistry.io | 26 Oct 2026, 03:07 UTC |
| OBO Dashboard (checked 11 Dec 2025) | dashboard.obofoundry.org | 26 Oct 2026, 02:37 UTC |
| Crossref citations (doi:10.3233/ao-2008-0051) | api.crossref.org | 26 Oct 2026, 03:07 UTC |
| Crossref citations (doi:10.3233/978-1-60750-949-3-33) | api.crossref.org | 26 Oct 2026, 03:07 UTC |
Run 2026-10-26T02-37-38Z · evaluator v2.0.0 · rubric v3.4 · entry.json · run snapshot
How to cite
- Representing the NCI Thesaurus in OWL DL: Modeling tools help modeling languages (2008) · doi:10.3233/ao-2008-0051 · 18 citations
- NCI Thesaurus: using science-based terminology to integrate cancer research results (2004) · doi:10.3233/978-1-60750-949-3-33 · 4 citations