@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> . <https://stad.gent/id/blank_node/a640be84-59cb-4b29-a156-01aac07f8436> rdfs:isDefinedBy <https://stad.gent/data/blank_node/a640be84-59cb-4b29-a156-01aac07f8436> .