@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> . <https://stad.gent/id/blank_node/509d3c45-b9b2-4b2b-9fcc-c8ac39993ffa> rdfs:isDefinedBy <https://stad.gent/data/blank_node/509d3c45-b9b2-4b2b-9fcc-c8ac39993ffa> .