GeonamesGeonames is a comprehensive geographical dataset covering over 11 million places across every country in the world.
GraphQLGraphQL is a query language for APIs and a runtime for fulfilling those queries with your existing data.
OWLThe Web Ontology Language is a family of knowledge representation languages for authoring ontologies.
RDFThe Resource Description Framework is a family of World Wide Web Consortium specifications originally designed as a metadata data model.
SPARQLSPARQL is a semantic query language for resource description framework databases.
schema.orgSchema.org is an open semantic data model for structured information on the web.