@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> . <https://stad.gent/id/blank_node/156509a4-e6bc-4716-a819-e03bf1322930> rdfs:isDefinedBy <https://stad.gent/data/blank_node/156509a4-e6bc-4716-a819-e03bf1322930> .