Ontology

PPO

Plant Phenology Ontology

An ontology for describing the phenology of individual plants and populations of plants, and for integrating plant phenological data across sources and scales.

botanydataplantlife cyclelife sciences, biologyoboontologyphenologyphenotype
C69

FAIR 47/48

Version 2026-05-06

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)ppo2026-05-0657666025 Oct 2026
TIB Terminology Serviceppo2025-06-1654468018 Jun 2025
OBO Dashboardppo2026-05-06438——14 May 2026

Ontology IRI http://purl.obolibrary.org/obo/ppo.owl
Version IRI http://purl.obolibrary.org/obo/ppo/releases/2026-05-06/ppo.owl

Languages en

Imports from (9)
BFO GO IAO OBI OMO PATO PO RO UBERON

Logical consistency
consistent · 0 unsatisfiable
OWL 2 DL
no
ROBOT report
27 errors · 10 warnings · 24 info
OBO principles
FP01FP02FP03FP04FP05FP06FP07FP08FP09FP11FP12FP16FP20
Axioms
2,675 · 12.42% entities reused

Also registered as
aberowl: PPO agroportal: PPO bioportal: PPO fairsharing: FAIRsharing.hakg7c obofoundry: ppo ols: ppo ontobee: PPO tib.ts: ppo wikidata.entity: Q65057180

Automated evaluation

F Findable FAIR12/12
  • Persistent identifier (F1)purl.obolibrary.org+4
  • Indexed in services (F4)6: OLS, TIB, BioPortal, OBO Foundry, Bioregistry, FAIRsharing+5
  • Citable reference (F2)doi:10.3389/fpls.2018.00517+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+5
  • Semantic-web IRIs (I2)OWL+3
  • References other vocabularies (I3)imports 9: bfo, go, iao, obi, omo, pato, po, ro…+4
R Reusable FAIR11/12
  • Clear license (R1.1)CC BY 3.0+5
  • Release provenance (R1.2)2026-05-06 (version IRI in the artefact)+4
  • Community standards (R1.3)OBO principles: 8/13 checks pass+2
Q Ontology consistency & quality15/20
  • Logical consistencyconsistent, 0 unsatisfiable classes (OBO Dashboard)+10
  • OWL 2 DL profileoutside OWL 2 DL0
  • Upper-ontology alignmentimports BFO+3
  • Standard relations (RO)imports RO+1
  • ROBOT report: no errors27 errors0
  • ROBOT report: warning density10 warnings / 438 classes = 0.02+1
  • Pitfall scan: no critical pitfallsno pitfall scan yet; ROBOT report has 27 errors0
M Maintenance11/16
  • Recency2026-05-06 → 5.7 months (≤ 6 months)+8
  • Release cadence (12 months)2 releases (GitHub releases)+3
U Community adoption2/16
  • Documented adopting projects0 projects0
  • Reused by other ontologies00
  • Community signalmax(stars 19 → 1, citations 98 → 2)+2
P Penalties (inactivity & inconsistency)-6
  • Time since last activity0.5 years → 4 × max(0, 0.5 − 1)0
  • Inactive statusnot archived, legacy or inactive0
  • Consistencyconsistent, no unsatisfiable classes0
  • ROBOT report errors27 errors-6

FAIR subtotal 47/48 · earned 75/100 − 6 inactivity = 69/100 → grade C

Community adoption 0

No adopting projects documented yet.

Know a project that uses PPO? 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 UTC69 C472026-05-06576JSON

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, 03:15 UTC
Repository link check (HTTP 200)github.com26 Oct 2026, 03:15 UTC
Download link check (HTTP 200)purl.obolibrary.org26 Oct 2026, 03:15 UTC
Artefact header (version IRI)raw.githubusercontent.com26 Oct 2026, 03:15 UTC
Git refs (commit a30510c, latest tag v2026-05-05-1)github.com26 Oct 2026, 03:15 UTC
GitHub repository statisticsapi.github.com26 Oct 2026, 03:15 UTC
OLS classes, imports, version & releaseebi.ac.uk26 Oct 2026, 03:15 UTC
OBO Foundry status, license & usagesobofoundry.org26 Oct 2026, 02:37 UTC
TIB Terminology Service metricsservice.tib.eu26 Oct 2026, 03:15 UTC
Bioregistry mappings, dependencies & reusebioregistry.io26 Oct 2026, 03:15 UTC
OBO Dashboard (checked 14 May 2026)dashboard.obofoundry.org26 Oct 2026, 02:37 UTC
Crossref citations (doi:10.3389/fpls.2018.00517)api.crossref.org26 Oct 2026, 03:15 UTC

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

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