@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> . <https://stad.gent/id/blank_node/3ff1f9e1-4f58-4859-bb50-f8c4569c80f7> rdfs:isDefinedBy <https://stad.gent/data/blank_node/3ff1f9e1-4f58-4859-bb50-f8c4569c80f7> .