@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> . <https://stad.gent/id/blank_node/ff6d50ea-822e-4949-9146-547932dd40a9> rdfs:isDefinedBy <https://stad.gent/data/blank_node/ff6d50ea-822e-4949-9146-547932dd40a9> .