@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> . <https://stad.gent/id/blank_node/15ff74b1-f5b1-4877-912b-40993cc01c11> rdfs:isDefinedBy <https://stad.gent/data/blank_node/15ff74b1-f5b1-4877-912b-40993cc01c11> .