@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> . <https://stad.gent/id/blank_node/81d40a6d-4a64-4242-9152-fa577bca960b> rdfs:isDefinedBy <https://stad.gent/data/blank_node/81d40a6d-4a64-4242-9152-fa577bca960b> .