@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> . <https://stad.gent/id/blank_node/539ceffd-6a7a-4f91-a63e-b936fa39a5de> rdfs:isDefinedBy <https://stad.gent/data/blank_node/539ceffd-6a7a-4f91-a63e-b936fa39a5de> .