@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> . <https://stad.gent/id/blank_node/509b72e7-10b8-4dcd-8e04-bd08c7859df0> rdfs:isDefinedBy <https://stad.gent/data/blank_node/509b72e7-10b8-4dcd-8e04-bd08c7859df0> .