@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> . <https://stad.gent/id/blank_node/81f37ba1-f578-4836-bfa2-2612f919d3ca> rdfs:isDefinedBy <https://stad.gent/data/blank_node/81f37ba1-f578-4836-bfa2-2612f919d3ca> .