@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> . <https://stad.gent/id/blank_node/81c5bd1e-5cb9-48f4-9dfd-7257bfdf049b> rdfs:isDefinedBy <https://stad.gent/data/blank_node/81c5bd1e-5cb9-48f4-9dfd-7257bfdf049b> .