@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> . <https://stad.gent/id/blank_node/51ddb909-bf71-4c09-b62b-ac9a91fec75c> rdfs:isDefinedBy <https://stad.gent/data/blank_node/51ddb909-bf71-4c09-b62b-ac9a91fec75c> .