@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> . <https://stad.gent/id/blank_node/57c78e18-e5db-479b-8685-2f3972b321be> rdfs:isDefinedBy <https://stad.gent/data/blank_node/57c78e18-e5db-479b-8685-2f3972b321be> .