@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> . <https://stad.gent/id/blank_node/51f6d6a9-2507-4bef-8c59-7c92fbb89d0e> rdfs:isDefinedBy <https://stad.gent/data/blank_node/51f6d6a9-2507-4bef-8c59-7c92fbb89d0e> .