: Featurehttp://www.geonames.org/ontology# Create a prefix for http://www.geonames.org/ontology# Hit Enter to save Double click to create a prefix | rdfs:subClassOf | : Vocabularyhttp://purl.org/vocommons/voaf# Create a prefix for http://purl.org/vocommons/voaf# Hit Enter to save Double click to create a prefix | graph:default |