@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> . <https://stad.gent/id/blank_node/81a52337-9936-44b9-9ebe-d433edaa9484> rdfs:isDefinedBy <https://stad.gent/data/blank_node/81a52337-9936-44b9-9ebe-d433edaa9484> .