@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> . <https://stad.gent/id/blank_node/81e17c1f-dd7c-4157-9ff7-4d74bc867e47> rdfs:isDefinedBy <https://stad.gent/data/blank_node/81e17c1f-dd7c-4157-9ff7-4d74bc867e47> .