@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> . <https://stad.gent/id/blank_node/81babf74-1d39-4104-8166-9372d50fea8f> rdfs:isDefinedBy <https://stad.gent/data/blank_node/81babf74-1d39-4104-8166-9372d50fea8f> .