@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> . <https://stad.gent/id/blank_node/a9ff971e-4f25-4bf1-93f8-b41be79e686b> rdfs:isDefinedBy <https://stad.gent/data/blank_node/a9ff971e-4f25-4bf1-93f8-b41be79e686b> .