@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> . <https://stad.gent/id/blank_node/57af5541-2084-4292-838e-c33a9e707ca2> rdfs:isDefinedBy <https://stad.gent/data/blank_node/57af5541-2084-4292-838e-c33a9e707ca2> .