@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> . <https://stad.gent/id/blank_node/50c72af7-684c-4c98-b807-825883f8b554> rdfs:isDefinedBy <https://stad.gent/data/blank_node/50c72af7-684c-4c98-b807-825883f8b554> .