: 6daaff3c-abf4-49e2-9904-a7a11b57d878http://example.com/gemeente/areaaldata/ Create a prefix for http://example.com/gemeente/areaaldata/ Hit Enter to save Double click to create a prefix | : hasBoundaryhttps://w3id.org/nen2660/def# Create a prefix for https://w3id.org/nen2660/def# Hit Enter to save Double click to create a prefix |