@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> . <https://stad.gent/id/blank_node/81b8555a-49bc-43ae-8262-7bc12b5ef21f> rdfs:isDefinedBy <https://stad.gent/data/blank_node/81b8555a-49bc-43ae-8262-7bc12b5ef21f> .