@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> . <https://stad.gent/id/blank_node/af0931f9-cbb0-4ce2-b8dd-251b69155052> rdfs:isDefinedBy <https://stad.gent/data/blank_node/af0931f9-cbb0-4ce2-b8dd-251b69155052> .