@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> . <https://stad.gent/id/blank_node/91ad8650-ef3f-4d3a-b9df-b1f45d194579> rdfs:isDefinedBy <https://stad.gent/data/blank_node/91ad8650-ef3f-4d3a-b9df-b1f45d194579> .