Vocabulary

N4E

NFDI4Earth Ontology

The ontology and metadata schema for the NFDI4Earth Knowledge Hub. See serializations of this schema as an OWL ontology here: - [RDF/XML](https://nfdi4earth.pages.rwth-aachen.de/knowledgehub/nfdi4earth-kh-schema/ontology.owl.xml) - [RDF/Turtle](https://nfdi4earth.pages.rwth-aachen.de/knowledgehub/nfdi4earth-kh-schema/ontology.owl.ttl) - [RDF/JSON-LD](https://nfdi4earth.pages.rwth-aachen.de/knowledgehub/nfdi4earth-kh-schema/ontology.owl.jsonld) - [RDF/N-Triples](https://nfdi4earth.pages.rwth-aachen.de/knowledgehub/nfdi4earth-kh-schema/ontology.owl.nt)

earth sciencesess
E36

FAIR 26/48

Version file of 2026-09-15

Evaluated 26 Oct 2026

How scores work

Source & access

Homepagenfdi4earth.de DownloadCanonical file / PURL

Portals & registries

Also registered as
tib.ts: n4e

Automated evaluation

F Findable FAIR1/12
  • Persistent identifier (F1)no PURL / w3id / DOI for the artefact0
  • Indexed in services (F4)1: Bioregistry+1
  • 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+5
  • Semantic-web IRIs (I2)OWL+3
  • References other vocabularies (I3)no imported vocabularies found0
R Reusable FAIR5/12
  • Clear license (R1.1)CC0 1.0+5
  • Release provenance (R1.2)no version in artefact, registry or release tags0
  • Community standards (R1.3)no independent compliance report (not on the OBO Dashboard)0
Q Ontology consistency & quality0/20
  • Logical consistencynever checked by a reasoner0
  • OWL 2 DL profileprofile not checked0
  • Upper-ontology alignmentno BFO/COB/DOLCE import found0
  • Standard relations (RO)does not import the Relation Ontology0
  • ROBOT report: no errorsno ROBOT report available0
  • ROBOT report: warning densityno ROBOT report available0
  • Pitfall scan: no critical pitfallsno pitfall scan or ROBOT report yet0
M Maintenance10/16
  • Recency2026-09-15 → 1.3 months (≤ 3 months)+10
  • Release cadence (12 months)0 releases0
U Community adoption0/16
  • Documented adopting projects0 projects0
  • Reused by other ontologies00
  • Community signalmax(stars 0 → 0, citations 0 → 0)0
P Penalties (inactivity & inconsistency)0
  • Time since last activity0.1 years → 4 × max(0, 0.1 − 1)0
  • Inactive statusnot archived, legacy or inactive0
  • Consistencynot yet checked by a reasoner0

FAIR subtotal 26/48 · earned 36/100 = 36/100 → grade E

Community adoption 0

No adopting projects documented yet.

Know a project that uses N4E? 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 UTC36 E26file of 2026-09-15—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)nfdi4earth.de26 Oct 2026, 03:07 UTC
Download link check (HTTP 200)nfdi4earth.de26 Oct 2026, 03:07 UTC
Artefact headernfdi4earth.pages.rwth-aachen.de26 Oct 2026, 03:07 UTC
Bioregistry mappings, dependencies & reusebioregistry.io26 Oct 2026, 03:07 UTC

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