@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> . <https://stad.gent/id/blank_node/ac89f9a4-e71d-4423-ae3c-2e7b8e0ad620> rdfs:isDefinedBy <https://stad.gent/data/blank_node/ac89f9a4-e71d-4423-ae3c-2e7b8e0ad620> .