@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> . <https://stad.gent/id/blank_node/81378f22-4567-4f8f-8674-e304dae2c031> rdfs:isDefinedBy <https://stad.gent/data/blank_node/81378f22-4567-4f8f-8674-e304dae2c031> .