@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> . <https://stad.gent/id/blank_node/81f77c73-a093-44ee-837e-751a74ca28b3> rdfs:isDefinedBy <https://stad.gent/data/blank_node/81f77c73-a093-44ee-837e-751a74ca28b3> .