: DThttp://data.ordnancesurvey.co.uk/id/postcodearea/ Create a prefix for http://data.ordnancesurvey.co.uk/id/postcodearea/ Hit Enter to save Double click to create a prefix | : PostcodeAreahttp://data.ordnancesurvey.co.uk/ontology/postcode/ Create a prefix for http://data.ordnancesurvey.co.uk/ontology/postcode/ Hit Enter to save Double click to create a prefix | graph:default |