@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> . <https://stad.gent/id/blank_node/b9c291d3-c181-4835-b5ca-a6d414257acf> rdfs:isDefinedBy <https://stad.gent/data/blank_node/b9c291d3-c181-4835-b5ca-a6d414257acf> .