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)