Ontology

DRON

The Drug Ontology

An ontology to support comparative effectiveness researchers studying claims data.

approved drugbiomedical sciencedrugoboontologysmall molecule
B80

FAIR 48/48

Version 2026-09-19

Evaluated 26 Oct 2026

How scores work

Source & access

Homepagegithub.com 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)dron2026-09-19792,7972442925 Oct 2026
OBO Dashboarddron2026-03-04773,049——18 Mar 2026

Ontology IRI http://purl.obolibrary.org/obo/dron.owl
Version IRI http://purl.obolibrary.org/obo/dron/releases/2026-09-19/dron.owl

Languages de en

Imports from (13)
APOLLO_SV BFO CHEBI COB GO IAO OBI OGMS OMO PATO RO UBERON UO

Reused by (14)
APOLLO_SV CIDO DIDEO OBIB OHMI PDRO ADO EUPATH FIDEO FOODON MICRO MPIO OPMI SCDO

Logical consistency
consistent · 0 unsatisfiable
OWL 2 DL
yes
ROBOT report
32 errors · 756,512 warnings · 2 info
OBO principles
FP01FP02FP03FP04FP05FP06FP07FP08FP09FP11FP12FP16FP20
Axioms
3,229,987 · 0.4% entities reused

Also registered as
aberowl: DRON bioportal: DRON fairsharing: FAIRsharing.w5ntfd obofoundry: dron ols: dron ontobee: DRON wikidata.entity: Q81661592

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:10.1186/s13326-017-0121-5+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 13: apollo_sv, bfo, chebi, cob, go, iao, obi, ogms…+4
R Reusable FAIR12/12
  • Clear license (R1.1)CC BY 3.0+5
  • Release provenance (R1.2)2026-09-19 (version IRI in the artefact)+4
  • Community standards (R1.3)OBO principles: 11/13 checks pass+3
Q Ontology consistency & quality16/20
  • Logical consistencyconsistent, 0 unsatisfiable classes (OBO Dashboard)+10
  • OWL 2 DL profilein OWL 2 DL+2
  • Upper-ontology alignmentimports BFO, COB+3
  • Standard relations (RO)imports RO+1
  • ROBOT report: no errors32 errors0
  • ROBOT report: warning density756512 warnings / 773049 classes = 0.980
  • Pitfall scan: no critical pitfallsno pitfall scan yet; ROBOT report has 32 errors0
M Maintenance16/16
  • Recency2026-09-20 → 1.2 months (≤ 3 months)+10
  • Release cadence (12 months)6 releases (GitHub releases)+6
U Community adoption6/16
  • Documented adopting projects1 project+2
  • Reused by other ontologies14: apollo_sv, cido, dideo, obib, ohmi, pdro…+3
  • Community signalmax(stars 10 → 1, citations 13 → 1)+1
P Penalties (inactivity & inconsistency)-6
  • Time since last activity0.1 years → 4 × max(0, 0.1 − 1)0
  • Inactive statusnot archived, legacy or inactive0
  • Consistencyconsistent, no unsatisfiable classes0
  • ROBOT report errors32 errors-6

FAIR subtotal 48/48 · earned 86/100 − 6 inactivity = 80/100 → grade B

Community adoption 1

  • github.com

    DrOn is used for the classification of Drugs, in particular, based on RxNorm codes, in the PennTURBO project.

    Source: OBO Foundry registry

Know a project that uses DRON? 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 UTC80 B482026-09-19792,797JSON

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, 02:52 UTC
Repository link check (HTTP 200)github.com26 Oct 2026, 02:52 UTC
Download link check (HTTP 200)purl.obolibrary.org26 Oct 2026, 02:52 UTC
Artefact header (version IRI)release-assets.githubusercontent.com26 Oct 2026, 02:52 UTC
Git refs (commit c257cdb, latest tag v2026-09-19)github.com26 Oct 2026, 02:52 UTC
GitHub repository statisticsapi.github.com26 Oct 2026, 02:52 UTC
OLS classes, imports, version & releaseebi.ac.uk26 Oct 2026, 02:52 UTC
OBO Foundry status, license & usagesobofoundry.org26 Oct 2026, 02:37 UTC
Bioregistry mappings, dependencies & reusebioregistry.io26 Oct 2026, 02:52 UTC
OBO Dashboard (checked 18 Mar 2026)dashboard.obofoundry.org26 Oct 2026, 02:37 UTC
Crossref citations (doi:10.1186/s13326-017-0121-5)api.crossref.org26 Oct 2026, 02:52 UTC

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

How to cite