: postcode/http://data.ordnancesurvey.co.uk/ontology/ Create a prefix for http://data.ordnancesurvey.co.uk/ontology/ Hit Enter to save Double click to create a prefix | owl:imports | : corehttp://www.w3.org/2004/02/skos/ Create a prefix for http://www.w3.org/2004/02/skos/ Hit Enter to save Double click to create a prefix | graph:default |