awesome-ontologies xsd rdf http://www.w3.org/1999/02/22-rdf-syntax-ns# rdfs http://www.w3.org/2000/01/rdf-schema# owl http://www.w3.org/2002/07/owl# skos http://www.w3.org/2004/02/skos/core# skosxl http://www.w3.org/2008/05/skos-xl# dcat http://http://www.w3.org/ns/org#www.w3.org/ns/dcat# org http://www.w3.org/ns/org# vcard http://www.w3.org/2006/vcard/ns# geonames http://www.geonames.org/ontology# gr http://purl.org/goodrelations/v1# prov http://www.w3.org/ns/prov# dc http://purl.org/dc/elements/1.1/ dcterm http://purl.org/dc/terms/ sioc http://rdfs.org/sioc/ns# mo http://musicontology.com/ MarineTLO http://ics.forth.gr/Ontology/MarineTLO/icore# http://ics.forth.gr/Ontology/MarineTLO/imarine# schema http://schema.org/ Spar yago dbpedia http://aber-owl.net/ontology/#/ ontology list ontology design patterns https://dase.cs.wright.edu/content/modl-modular-ontology-design-library http://www.cropontology.org Cyber UCO SKOS AGROVOC STW Thesaurus UNESCO Thesaurus https://www.w3.org/2001/sw/wiki/SKOS/Datasets