@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> . <https://stad.gent/id/blank_node/668c83e8-b8f8-40e3-9f69-261675b0b53d> rdfs:isDefinedBy <https://stad.gent/data/blank_node/668c83e8-b8f8-40e3-9f69-261675b0b53d> .