@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> . <https://stad.gent/id/blank_node/a9c4e6a1-491b-4ce1-8bcb-4b1cdf81f5a9> rdfs:isDefinedBy <https://stad.gent/data/blank_node/a9c4e6a1-491b-4ce1-8bcb-4b1cdf81f5a9> .