@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> . <https://stad.gent/id/blank_node/b9c8cf99-544a-4d67-bea6-018251713dd8> rdfs:isDefinedBy <https://stad.gent/data/blank_node/b9c8cf99-544a-4d67-bea6-018251713dd8> .