@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> . <https://stad.gent/id/blank_node/81db08a0-2f33-43e0-9ae3-5803d8bd55fc> rdfs:isDefinedBy <https://stad.gent/data/blank_node/81db08a0-2f33-43e0-9ae3-5803d8bd55fc> .