@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> . <https://stad.gent/id/blank_node/57d30cff-9831-4043-bb61-227b9ce69675> rdfs:isDefinedBy <https://stad.gent/data/blank_node/57d30cff-9831-4043-bb61-227b9ce69675> .