@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> . <https://stad.gent/id/blank_node/51c9403e-90ab-4549-be71-ee4091ce3d39> rdfs:isDefinedBy <https://stad.gent/data/blank_node/51c9403e-90ab-4549-be71-ee4091ce3d39> .