: spatialrelations/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 | : geosparqlhttp://www.opengis.net/ont/ Create a prefix for http://www.opengis.net/ont/ Hit Enter to save Double click to create a prefix | graph:default |