@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> . <https://stad.gent/id/blank_node/1ffcb903-6c4b-4dfb-8354-e600c68d7b43> rdfs:isDefinedBy <https://stad.gent/data/blank_node/1ffcb903-6c4b-4dfb-8354-e600c68d7b43> .