@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> . <https://stad.gent/id/blank_node/68531aab-96de-46c9-93f3-2bbf31048dea> rdfs:isDefinedBy <https://stad.gent/data/blank_node/68531aab-96de-46c9-93f3-2bbf31048dea> .