Ontology

OWL-Time

Time Ontology in OWL

Owl-time is an owl-2 dl ontology of temporal concepts, for describing the temporal properties of resources in the world or described in web pages. the ontology provides a vocabulary for expressing facts about topological (ordering) relations among instants and intervals, together with information about durations, and about temporal position including date-time information.

data coordinationessfair data spacesmetadata standardizationnfdi4chemontologyresource metadatasubject agnostic
C62

FAIR 34/48

Version 2006

Evaluated 26 Oct 2026

How scores work

Source & access

Homepagew3.org Repositorygithub.com DownloadCanonical file / PURL Browse in BioPortalNCBO BioPortal

Portals & registries

SourceIDVersionClassesPropertiesIndividualsLoaded
TIB Terminology Servicetime—2081183 Sept 2025
Logical consistency (ROBOT ELK)
consistent · 0 unsatisfiable
ROBOT report
177 errors · 101 warnings

OOPS!: 0 critical · 1 important · 2 minor pitfall types

Also registered as
aberowl: TIME bioportal: TIME fairsharing: FAIRsharing.hw3bh2 tib.ts: time

Automated evaluation

F Findable FAIR5/12
  • Persistent identifier (F1)no PURL / w3id / DOI for the artefact0
  • Indexed in services (F4)4: TIB, BioPortal, Bioregistry, FAIRsharing+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)Bioregistry+3
I Interoperable FAIR8/12
  • Formal machine-readable format (I1)OWL, Turtle+5
  • Semantic-web IRIs (I2)OWL, Turtle+3
  • References other vocabularies (I3)no imported vocabularies found0
R Reusable FAIR9/12
  • Clear license (R1.1)CC BY 4.0+5
  • Release provenance (R1.2)2006 (version IRI in the artefact)+4
  • Community standards (R1.3)no independent compliance report (not on the OBO Dashboard)0
Q Ontology consistency & quality11/20
  • Logical consistencyconsistent, 0 unsatisfiable classes (ROBOT ELK in SchemaScope CI)+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 errors177 errors0
  • ROBOT report: warning density101 warnings / 1 classes = 101.000
  • Pitfall scan: no critical pitfalls0 critical, 1 important, 2 minor pitfall types (SchemaScope Python scan (OOPS! pitfall subset))+1
M Maintenance10/16
  • Recency2026-09-26 → 1.0 months (≤ 3 months)+10
  • Release cadence (12 months)0 releases (GitHub releases)0
U Community adoption7/16
  • Documented adopting projects0 projects0
  • Reused by other ontologies23 vocabularies (LOV)+3
  • Community signalmax(stars 168 → 4, citations 0 → 0)+4
P Penalties (inactivity & inconsistency)0
  • 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 errors177 errors against OBO conventions; not penalised (not an OBO-style ontology)0

FAIR subtotal 34/48 · earned 62/100 = 62/100 → grade C

Community adoption 0

No adopting projects documented yet.

Know a project that uses OWL-Time? 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 C342006—JSON

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)w3.org26 Oct 2026, 03:25 UTC
Repository link check (HTTP 200)github.com26 Oct 2026, 03:25 UTC
Download link check (HTTP 200)w3.org26 Oct 2026, 03:25 UTC
Artefact header (version IRI)w3.org26 Oct 2026, 03:25 UTC
Git refs (commit f317164, latest tag 4bart)github.com26 Oct 2026, 03:22 UTC
GitHub repository statisticsapi.github.com26 Oct 2026, 03:22 UTC
TIB Terminology Service metricsservice.tib.eu26 Oct 2026, 03:25 UTC
Bioregistry mappings, dependencies & reusebioregistry.io26 Oct 2026, 03:25 UTC
ROBOT reason/report in SchemaScope CI—26 Oct 2026, 02:14 UTC
OOPS! pitfall scanoops.linkeddata.es25 Oct 2026, 21:55 UTC

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