@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> . <https://stad.gent/id/blank_node/af9c8a97-909a-49c8-bdc4-19a60f870cde> rdfs:isDefinedBy <https://stad.gent/data/blank_node/af9c8a97-909a-49c8-bdc4-19a60f870cde> .