@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> . <https://stad.gent/id/blank_node/1f81c09e-bae9-4b69-b260-9dccca0dc45a> rdfs:isDefinedBy <https://stad.gent/data/blank_node/1f81c09e-bae9-4b69-b260-9dccca0dc45a> .