@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> . <https://stad.gent/id/blank_node/644509ba-8bdc-4020-8386-31b956ee441f> rdfs:isDefinedBy <https://stad.gent/data/blank_node/644509ba-8bdc-4020-8386-31b956ee441f> .