Ontology

NCBITaxon

NCBI Taxonomy

The taxonomy contains the relationships between all living forms for which nucleic acid or protein sequence have been determined.

classificationdnaevolutionary biologygenomicsknowledge and information systemslife scienceoboomics
B78

FAIR 47/48

Version 2026-07-12

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)ncbitaxon2026-07-122,854,53732025 Oct 2026
OBO Dashboardncbitaxon2026-07-1232,140——18 Jul 2026

Ontology IRI http://purl.obolibrary.org/obo/ncbitaxon.owl
Version IRI http://purl.obolibrary.org/obo/ncbitaxon/2026-07-12/ncbitaxon.owl

Languages en

Imports from (3)
IAO OMO TAXRANK

Reused by (119)
AGRO APOLLO_SV CIDO CL CLO CTENO DIDEO DOID ECOCORE ECTO ENVO FAO FBbt FOBI FOODON FOVT GALLONT GENEPIO GENO GSSO HTN ICEO ICO IDO MCO MONDO MRO OBI OBIB OCCO OHD OHMI OHPI OMRSE ONS ONTONEO OOSTT OPL OPMI PCL PCO PDRO PECO PO PREFER PSO RO SLSO TXPO UBERON VBO VO ADO AFO AISM BAO BCGO BCO CARO CCO CEPH CHIRO CHMO COB COVOC CPONT CREDIT DISDRIV ECAO ECO EFO EPIO EUPATH FBbi FLOPO GEXO GO HCAO HGNC hgnc.genegroup HSO ICTV IDOCOVID19 IDOMAL INO LABO MAXO MFMO MICRO MP MSIO NBO NGBO OBA OBCS OGSF OMIABIS ONE ORNASEQ OVAE PATO PBPKO PHIPO PR PRIDE PSDO RBO RETO REXO ROR SEMAPV SIBO STATO SWO TO VALUESETS WBPhenotype WIKIPATHWAYS XPO

Logical consistency
consistent · 0 unsatisfiable
OWL 2 DL
no
ROBOT report
3 errors · 32,526 warnings · 1 info
OBO principles
FP01FP02FP03FP04FP05FP06FP07FP08FP09FP11FP12FP16FP20
Axioms
302,757 · 0.05% entities reused

Also registered as
aberowl: NCBITAXON biodivportal: NCBITAXON bioportal: NCBITAXON fairsharing: FAIRsharing.fj07xj obofoundry: ncbitaxon ols: ncbitaxon ontobee: NCBITaxon wikidata.entity: Q81661717

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:10.1093/database/baaa062+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 FAIR12/12
  • Formal machine-readable format (I1)OWL, OBO+5
  • Semantic-web IRIs (I2)OWL, OBO+3
  • References other vocabularies (I3)imports 3: iao, omo, taxrank+4
R Reusable FAIR11/12
  • Clear license (R1.1)CC0 1.0+5
  • Release provenance (R1.2)2026-07-12 (version IRI in the artefact)+4
  • Community standards (R1.3)OBO principles: 9/13 checks pass+2
Q Ontology consistency & quality10/20
  • 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 errors3 errors0
  • ROBOT report: warning density32526 warnings / 32140 classes = 1.010
  • Pitfall scan: no critical pitfallsno pitfall scan yet; ROBOT report has 3 errors0
M Maintenance13/16
  • Recency2026-07-12 → 3.5 months (≤ 6 months)+8
  • Release cadence (12 months)5 releases (GitHub releases)+5
U Community adoption11/16
  • Documented adopting projects1 project+2
  • Reused by other ontologies119: agro, apollo_sv, cido, cl, clo, cteno…+4
  • Community signalmax(stars 31 → 2, citations 2616 → 5)+5
P Penalties (inactivity & inconsistency)-3
  • 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 errors3 errors-3

FAIR subtotal 47/48 · earned 81/100 − 3 inactivity = 78/100 → grade B

Community adoption 1

  • iedb.org

    The Immune Epitope Database (IEDB) is funded by NIAID that catalogs experimental data on antibody and T cell epitopes studied in humans, non-human primates, and other animal species in the context of infectious disease, allergy, autoimmu…

    Source: OBO Foundry registry

Know a project that uses NCBITaxon? 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 UTC78 B472026-07-122,854,537JSON

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, 03:07 UTC
Repository link check (HTTP 200)github.com26 Oct 2026, 03:07 UTC
Download link check (HTTP 200)purl.obolibrary.org26 Oct 2026, 03:07 UTC
Artefact header (version IRI)release-assets.githubusercontent.com26 Oct 2026, 03:07 UTC
Git refs (commit 91117dc, latest tag v2026-07-12)github.com26 Oct 2026, 03:07 UTC
GitHub repository statisticsapi.github.com26 Oct 2026, 03:07 UTC
OLS classes, imports, version & releaseebi.ac.uk26 Oct 2026, 03:07 UTC
OBO Foundry status, license & usagesobofoundry.org26 Oct 2026, 02:37 UTC
Bioregistry mappings, dependencies & reusebioregistry.io26 Oct 2026, 03:07 UTC
OBO Dashboard (checked 18 Jul 2026)dashboard.obofoundry.org26 Oct 2026, 02:37 UTC
Crossref citations (doi:10.1093/database/baaa062)api.crossref.org26 Oct 2026, 03:07 UTC
Crossref citations (doi:10.1093/nar/gkx1094)api.crossref.org26 Oct 2026, 03:07 UTC

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

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