F1: Ontologies and ontology metadata are assigned a globally unique and persistent identifier.
4.0 (100%)
PURL1 : Ontology has a persistent URL
1 / 1
Ontology URI follows a follows a persistent URI scheme (URI: http://purl.obolibrary.org/obo/ecto.owl )
URI1 : Ontology URI is resolvable
1 / 1
Ontology URL is resolvable in application/rdf+xml
VER1 : A version IRI is declared in the ontology metadata
2 / 2
Version IRI defined, IRI is different from ontology URI. Version info found (2026-07-28).
VER2 : Ontology version IRI resolves
1 / 1
Version IRI resolves
F2: Ontologies are described with rich ontology metadata.
0.6667 (67%)
0.33330000000000004 (33.33%)
OM1 : Ontology minimum metadata is declared
4 / 6
The following metadata was not found: author, namespace URI
F3: Ontology metadata clearly and explicitly include the identifier of the ontology they describe.
1.0 (100.0%)
FIND1 : Ontology prefix is declared
0 / 1
Prefix declaration not found in the ontology
F4: Ontologies and ontology metadata are registered or indexed in a searchable resource typically an ontology repository.
2.0 (100.0%)
FIND2 : Ontology prefix is found in prefix.cc or LOV
0 / 2
No prefix declared in the ontology
FIND3 : Ontology found in community registry
0 / 1
Ontology not found in a public registry
A1: Ontologies and ontology metadata are retrievable by their identifier using a standardized communication protocol.
1.0 (100%)
CN1 : Ontology has content negotiation for RDF in RDF/XML, TTL, NTriples or JSON-LD serializations
2 / 2
Ontology available in: HTML, RDF
A1.1: The protocol to retrieve ontologies and ontology metadata is open, free and universally implementable.
1.0 (100%)
HTTP1 : Ontology uses an open protocol
1 / 1
The ontology uses an open protocol
A2: Ontology metadata should be accessible even when the ontology is no longer available.
1.0 (100.0%)
FIND_3_BIS : Ontology metadata are accessible, even when the ontology is not
0 / 1
Ontology not found in a public registry
I1: Ontologies and ontology metadata use a formal, accessible, shared and broadly applicable language for knowledge representation.
1.0 (100%)
RDF1 : Ontology is available in RDF (TTL, N3, RDF/XML or JSON-LD)
1 / 1
Ontology available in RDF
I2: Ontologies and ontology metadata use vocabularies that follow FAIR principles.
2.0 (100%)
VOC1 : Ontology reuses existing vocabularies for metadata annotations
1 / 1
Ontology reuses existing vocabularies for declaring metadata.
VOC2 : Ontology imports or reuses well established vocabularies
1 / 1
The ontology reuses/extends existing vocabularies.
R1: Ontologies and ontology metadata are richly described with a plurality of accurate and relevant attributes.
1.25 (25%)
3.75 (75.0%)
DOC1 : Ontology has HTML documentation
1 / 1
Ontology available in HTML
OM2 : Ontology declares recommended metadata
1 / 4
The following metadata was not found: namespace prefix, creation date, citation. Warning: The following OPTIONAL recommended metadata could not be found: contributor. Please consider adding them if appropriate.
OM3 : Ontology declares detailed metadata
0 / 6
The following metadata was not found: doi, publisher, logo, status, source, issued. Warning: The following OPTIONAL detailed metadata could not be found: previous version, backwards compatibility, modified. Please consider adding them if appropriate.
VOC3 : Ontology documentation: all terms have labels
0 / 1
No ontology terms found
VOC4 : Ontology documentation: all terms have definitions
0 / 1
No ontology terms found
R1.1: Ontologies and ontology metadata are released with a clear and accessible usage license.
2.0 (100%)
OM4_1 : Ontology has a license available
1 / 1
A license was found https://creativecommons.org/publicdomain/zero/1.0/
OM4_2 : Ontology license is resolvable
1 / 1
License could be resolved
R1.2: Ontologies and ontology metadata are associated with detailed provenance.
2.0 (100.0%)
OM5_1 : Ontology declares basic provenance metadata
0 / 2
The following provenance information was not found: creation date, author. Warning: The following OPTIONAL provenance metadata could not be found: contributor, previous version. Please consider adding them if appropriate.
OM5_2 : Ontology declares detailed provenance metadata
0 / 2
The following provenance information was not found: issued, publisher