@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> . <https://stad.gent/id/blank_node/509df08c-24c5-4da6-87f3-378231b0c431> rdfs:isDefinedBy <https://stad.gent/data/blank_node/509df08c-24c5-4da6-87f3-378231b0c431> .