@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> . <https://stad.gent/id/blank_node/57581feb-b78a-48f7-b0ff-645ef2bd7286> rdfs:isDefinedBy <https://stad.gent/data/blank_node/57581feb-b78a-48f7-b0ff-645ef2bd7286> .