@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> . <https://stad.gent/id/blank_node/81e9f18a-4d72-4800-adf7-abf573720550> rdfs:isDefinedBy <https://stad.gent/data/blank_node/81e9f18a-4d72-4800-adf7-abf573720550> .