: huisnummertoevoeginghttp://modellen.geostandaarden.nl/def/imx-geo# Create a prefix for http://modellen.geostandaarden.nl/def/imx-geo# Hit Enter to save Double click to create a prefix | : patternhttp://www.w3.org/ns/shacl# Create a prefix for http://www.w3.org/ns/shacl# Hit Enter to save Double click to create a prefix | ^[0-9a-zA-Z]{1,4}$ |