@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> . <https://stad.gent/id/blank_node/af6909b4-e73c-47b1-a863-c9b18c34b9b9> rdfs:isDefinedBy <https://stad.gent/data/blank_node/af6909b4-e73c-47b1-a863-c9b18c34b9b9> .