@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> . <https://stad.gent/id/blank_node/af57f6df-0e61-44c9-9109-7a465c4cc70b> rdfs:isDefinedBy <https://stad.gent/data/blank_node/af57f6df-0e61-44c9-9109-7a465c4cc70b> .