@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> . <https://stad.gent/id/blank_node/af75989e-8a4b-4407-87d4-23a5499d388b> rdfs:isDefinedBy <https://stad.gent/data/blank_node/af75989e-8a4b-4407-87d4-23a5499d388b> .