@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> . <https://stad.gent/id/blank_node/a9b1dd57-643c-4496-9255-fc79aee74706> rdfs:isDefinedBy <https://stad.gent/data/blank_node/a9b1dd57-643c-4496-9255-fc79aee74706> .