@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> . <https://stad.gent/id/blank_node/ac9a8edc-0931-454a-ada4-b90c18de0520> rdfs:isDefinedBy <https://stad.gent/data/blank_node/ac9a8edc-0931-454a-ada4-b90c18de0520> .