@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> . <https://stad.gent/id/blank_node/81e7c8ef-9dc4-4da5-a44a-2a9d50ccafd9> rdfs:isDefinedBy <https://stad.gent/data/blank_node/81e7c8ef-9dc4-4da5-a44a-2a9d50ccafd9> .