Ontology

COB

Core Ontology for Biology and Biomedicine

COB brings together key terms from a wide range of OBO projects to improve interoperability.

dataplantlife sciences, biologyoboontology
B84

FAIR 44/48

Version 2025-12-15

Evaluated 26 Oct 2026

How scores work

Source & access

Homepageobofoundry.org Repositorygithub.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)cob2025-12-156938025 Oct 2026
TIB Terminology Servicecob2025-06-306840030 Jun 2025
OBO Dashboardcob2025-12-1529——8 May 2026

Ontology IRI http://purl.obolibrary.org/obo/cob.owl
Version IRI http://purl.obolibrary.org/obo/cob/releases/2025-12-15/cob.owl

Languages en

Imports from (15)
BFO CHEBI CL ENVO GO IAO MOP NCBITaxon OBI PATO PCO PO PR RO UBERON

Reused by (58)
APOLLO_SV DRON FOODON GENEPIO IAO MAXO MCRO OBI OMRSE ONS PECO PR RBO RO UBERON ADDICTO AfPO AISM BCIO CHEMINF CHMO CL CLO DPO DUO ECO ECOCORE EFO EMRO ENVO EUPATH FBbt FLOPO FOVT FYPO GMHO GO MFMO MP MRO NBO OBA OHD OHMI OOSTT PAIN PATO PBPKO PCL PDRO PHIPO PREFER PRIDE SEPIO SLSO VALUESETS VBO XPO

Logical consistency
consistent · 0 unsatisfiable
OWL 2 DL
yes
ROBOT report
0 errors · 10 warnings · 1 info
OBO principles
FP01FP02FP03FP04FP05FP06FP07FP08FP09FP11FP12FP16FP20
Axioms
139 · 45.61% entities reused

OOPS!: 0 critical · 2 important · 3 minor pitfall types

Also registered as
aberowl: COB biodivportal: COB bioportal: COB obofoundry: cob ols: cob ontobee: COB tib.ts: cob wikidata.entity: Q113006456

Automated evaluation

F Findable FAIR9/12
  • Persistent identifier (F1)purl.obolibrary.org+4
  • Indexed in services (F4)5: OLS, TIB, BioPortal, OBO Foundry, Bioregistry+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)OBO Foundry, Bioregistry+3
I Interoperable FAIR12/12
  • Formal machine-readable format (I1)OWL+5
  • Semantic-web IRIs (I2)OWL+3
  • References other vocabularies (I3)imports 15: bfo, chebi, cl, envo, go, iao, mop, ncbitaxon…+4
R Reusable FAIR11/12
  • Clear license (R1.1)CC0 1.0+5
  • Release provenance (R1.2)2025-12-15 (version IRI in the artefact)+4
  • Community standards (R1.3)OBO principles: 10/13 checks pass+2
Q Ontology consistency & quality19/20
  • Logical consistencyconsistent, 0 unsatisfiable classes (OBO Dashboard)+10
  • OWL 2 DL profilein OWL 2 DL+2
  • Upper-ontology alignmentimports BFO+3
  • Standard relations (RO)imports RO+1
  • ROBOT report: no errors0 errors+2
  • ROBOT report: warning density10 warnings / 29 classes = 0.340
  • Pitfall scan: no critical pitfalls0 critical, 2 important, 3 minor pitfall types (OOPS! (local Docker))+1
M Maintenance13/16
  • Recency2026-10-19 → 0.2 months (≤ 3 months)+10
  • Release cadence (12 months)3 releases (GitHub releases)+3
U Community adoption8/16
  • Documented adopting projects1 project+2
  • Reused by other ontologies58: apollo_sv, dron, foodon, genepio, iao, maxo…+4
  • Community signalmax(stars 53 → 2, citations 0 → 0)+2
P Penalties (inactivity & inconsistency)0
  • Time since last activity0.0 years → 4 × max(0, 0.0 − 1)0
  • Inactive statusnot archived, legacy or inactive0
  • Consistencyconsistent, no unsatisfiable classes0

FAIR subtotal 44/48 · earned 84/100 = 84/100 → grade B

Community adoption 1

  • (multiple)

    Ontologies using COB terms

    Source: OBO Foundry registry

Know a project that uses COB? 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 UTC84 B442025-12-1569JSON

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)obofoundry.org26 Oct 2026, 02:47 UTC
Repository link check (HTTP 200)github.com26 Oct 2026, 02:47 UTC
Download link check (HTTP 200)purl.obolibrary.org26 Oct 2026, 02:47 UTC
Artefact header (version IRI)raw.githubusercontent.com26 Oct 2026, 02:47 UTC
Git refs (commit 34302c1, latest tag v2025-12-12)github.com26 Oct 2026, 02:47 UTC
GitHub repository statisticsapi.github.com26 Oct 2026, 02:47 UTC
OLS classes, imports, version & releaseebi.ac.uk26 Oct 2026, 02:47 UTC
OBO Foundry status, license & usagesobofoundry.org26 Oct 2026, 02:37 UTC
TIB Terminology Service metricsservice.tib.eu26 Oct 2026, 02:47 UTC
Bioregistry mappings, dependencies & reusebioregistry.io26 Oct 2026, 02:47 UTC
OBO Dashboard (checked 8 May 2026)dashboard.obofoundry.org26 Oct 2026, 02:37 UTC
OOPS! pitfall scanoops.linkeddata.es25 Oct 2026, 21:42 UTC

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