@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> . <https://stad.gent/id/blank_node/ff91c432-9e08-459d-afe1-03dd8c69b3e1> rdfs:isDefinedBy <https://stad.gent/data/blank_node/ff91c432-9e08-459d-afe1-03dd8c69b3e1> .