@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> . <https://stad.gent/id/blank_node/ab50ba4f-29ec-490a-87be-9540e67723fd> rdfs:isDefinedBy <https://stad.gent/data/blank_node/ab50ba4f-29ec-490a-87be-9540e67723fd> .