@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> . <https://stad.gent/id/blank_node/81c62f9c-51ca-45dc-9a7e-5d7b42a85593> rdfs:isDefinedBy <https://stad.gent/data/blank_node/81c62f9c-51ca-45dc-9a7e-5d7b42a85593> .