@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> . <https://stad.gent/id/blank_node/509ca180-b311-400e-93e3-13d7845a2e81> rdfs:isDefinedBy <https://stad.gent/data/blank_node/509ca180-b311-400e-93e3-13d7845a2e81> .