@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> . <https://stad.gent/id/blank_node/ac1c8fd4-7616-4452-a2ee-54a88a6da272> rdfs:isDefinedBy <https://stad.gent/data/blank_node/ac1c8fd4-7616-4452-a2ee-54a88a6da272> .