@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> . <https://stad.gent/id/blank_node/af67d6aa-a481-4e81-a8de-7f7c5ea38ead> rdfs:isDefinedBy <https://stad.gent/data/blank_node/af67d6aa-a481-4e81-a8de-7f7c5ea38ead> .