@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> . <https://stad.gent/id/blank_node/21d80fac-a718-4073-a8bb-4b221e13b667> rdfs:isDefinedBy <https://stad.gent/data/blank_node/21d80fac-a718-4073-a8bb-4b221e13b667> .