: FireHydranthttp://linkedgeodata.org/ontology/ Create a prefix for http://linkedgeodata.org/ontology/ Hit Enter to save Double click to create a prefix | rdfs:subClassOf | : EmergencyThinghttp://linkedgeodata.org/ontology/ Create a prefix for http://linkedgeodata.org/ontology/ Hit Enter to save Double click to create a prefix | : ontologyhttp://linkedgeodata.org/ Create a prefix for http://linkedgeodata.org/ Hit Enter to save Double click to create a prefix |