: 6fb4b2c7-69ec-4976-8489-6ad2d35d9e63http://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 |