@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> . <https://stad.gent/id/blank_node/ef43e644-50ea-4842-a209-44c77a7e1336> rdfs:isDefinedBy <https://stad.gent/data/blank_node/ef43e644-50ea-4842-a209-44c77a7e1336> .