Ontology

XPO

Xenopus Phenotype Ontology

XPO represents anatomical, cellular, and gene function phenotypes occurring throughout the development of the African frogs Xenopus laevis and tropicalis.

oboontology
C62

FAIR 48/48

Version 2025-07-25

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)xpo2025-07-2530,2254445725 Oct 2026
OBO Dashboardxpo2025-07-2524,377——11 Dec 2025

Ontology IRI http://purl.obolibrary.org/obo/xpo.owl
Version IRI http://purl.obolibrary.org/obo/xpo/releases/2025-07-25/xpo.owl

Languages en

Imports from (18)
BFO BSPO CHEBI CL COB ENVO GO IAO NBO NCBITaxon OBI OMO PATO PR RO SO UBERON XAO

Reused by (1)
UPHENO

Logical consistency
consistent · 0 unsatisfiable
OWL 2 DL
yes
ROBOT report
11 errors · 34 warnings · 42 info
OBO principles
FP01FP02FP03FP04FP05FP06FP07FP08FP09FP11FP12FP16FP20
Axioms
159,171 · 8.71% entities reused

Also registered as
aberowl: XPO bioportal: XPO obofoundry: xpo ols: xpo ontobee: XPO wikidata.entity: Q81661843

Automated evaluation

F Findable FAIR12/12
  • Persistent identifier (F1)purl.obolibrary.org+4
  • Indexed in services (F4)4: OLS, BioPortal, OBO Foundry, Bioregistry+5
  • Citable reference (F2)doi:10.1186/s12859-022-04636-8+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 18: bfo, bspo, chebi, cl, cob, envo, go, iao…+4
R Reusable FAIR12/12
  • Clear license (R1.1)CC BY 3.0+5
  • Release provenance (R1.2)2025-07-25 (version IRI in the artefact)+4
  • Community standards (R1.3)OBO principles: 11/13 checks pass+3
Q Ontology consistency & quality17/20
  • 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 errors11 errors0
  • ROBOT report: warning density34 warnings / 24377 classes = 0.00+1
  • Pitfall scan: no critical pitfallsno pitfall scan yet; ROBOT report has 11 errors0
M Maintenance2/16
  • Recency2025-07-25 → 15.0 months (≤ 2 years)+2
  • Release cadence (12 months)0 releases (GitHub releases)0
U Community adoption2/16
  • Documented adopting projects0 projects0
  • Reused by other ontologies1: upheno+1
  • Community signalmax(stars 11 → 1, citations 14 → 1)+1
P Penalties (inactivity & inconsistency)-7
  • Time since last activity1.3 years → 4 × max(0, 1.3 − 1)-1
  • Inactive statusnot archived, legacy or inactive0
  • Consistencyconsistent, no unsatisfiable classes0
  • ROBOT report errors11 errors-6

FAIR subtotal 48/48 · earned 69/100 − 7 inactivity = 62/100 → grade C

Community adoption 0

No adopting projects documented yet.

Know a project that uses XPO? 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 UTC62 C482025-07-2530,225JSON

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, 03:30 UTC
Repository link check (HTTP 200)github.com26 Oct 2026, 03:30 UTC
Download link check (HTTP 200)purl.obolibrary.org26 Oct 2026, 03:30 UTC
Artefact header (version IRI)release-assets.githubusercontent.com26 Oct 2026, 03:30 UTC
Git refs (commit 16a2dc1, latest tag v2025-07-25)github.com26 Oct 2026, 03:30 UTC
GitHub repository statisticsapi.github.com26 Oct 2026, 03:30 UTC
OLS classes, imports, version & releaseebi.ac.uk26 Oct 2026, 03:30 UTC
OBO Foundry status, license & usagesobofoundry.org26 Oct 2026, 02:37 UTC
Bioregistry mappings, dependencies & reusebioregistry.io26 Oct 2026, 03:30 UTC
OBO Dashboard (checked 11 Dec 2025)dashboard.obofoundry.org26 Oct 2026, 02:37 UTC
Crossref citations (doi:10.1186/s12859-022-04636-8)api.crossref.org26 Oct 2026, 03:30 UTC

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

How to cite