@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> . <https://stad.gent/id/blank_node/509b68e6-b951-4c37-a67d-24c56a0249e1> rdfs:isDefinedBy <https://stad.gent/data/blank_node/509b68e6-b951-4c37-a67d-24c56a0249e1> .