H2KG Ontology

Import Catalog

EMMO-aligned ontology for hydrogen electrochemical systems, experiments, materials, measurements, and FAIR metadata

H2KG Ontology logoOntology release

Developed through DECODE, the Helmholtz Metadata Collaboration (HMC), and AIMWORKS to support FAIR ontology publication and reusable metadata infrastructure for hydrogen electrochemical systems.

ODK-Managed Import Catalog

Import Source IRI Local cache ODK product Requirement Last refresh Included Semantic role
EMMO Core https://w3id.org/emmo# odk/src/ontology/imports/emmo-core_import.owl emmo-core required actual refresh at 1777025674.4101207 yes
EMMO Electrochemistry / ECHO https://w3id.org/emmo/domain/electrochemistry# odk/src/ontology/imports/emmo-electrochemistry_import.owl emmo-electrochemistry required actual refresh at 1777025682.1180556 yes
QUDT Schema http://qudt.org/schema/qudt/ odk/src/ontology/imports/qudt-schema_import.owl qudt-schema required actual refresh at 1777025687.0370147 yes
QUDT Units http://qudt.org/vocab/unit/ odk/src/ontology/imports/qudt-units_import.owl qudt-units required actual refresh at 1777025493.302633 yes
QUDT Quantity Kinds http://qudt.org/vocab/quantitykind/ odk/src/ontology/imports/qudt-quantitykinds_import.owl qudt-quantitykinds required actual refresh at 1777025525.3374653 yes
ChEBI http://purl.obolibrary.org/obo/chebi.owl odk/src/ontology/imports/chebi_import.owl chebi optional actual refresh at 1777025526.2564602 yes
PROV-O http://www.w3.org/ns/prov# odk/src/ontology/imports/prov-o_import.owl prov-o required actual refresh at 1777025528.9954271 yes
Dublin Core Terms http://purl.org/dc/terms/ odk/src/ontology/imports/dcterms_import.owl dcterms required actual refresh at 1777025532.1323874 yes
VANN http://purl.org/vocab/vann/ odk/src/ontology/imports/vann_import.owl vann optional no selected terms at 1777025533.9183722 no
Helmholtz Digitisation Ontology https://materials-data-science-and-informatics.github.io/Helmholtz-Digitisation-Ontology-Documentation/index-en.html odk/src/ontology/imports/hdo_import.owl hdo required placeholder refresh output at 1777025536.2343504 yes data/metadata/digital-object/process-management anchor
Open Energy Ontology http://openenergy-platform.org/ontology/oeo/ odk/src/ontology/imports/oeo_import.owl oeo optional no selected terms at 1777025343.6605308 no
Optional PEMFC-specific Source Ontology odk/src/ontology/imports/pemfc-external_import.owl pemfc-external optional no selected terms at 1777025343.6605308 no