: 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:Ontology | : 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 |