@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> . <https://stad.gent/id/blank_node/81a0b850-d100-4c53-91d9-3e280f579fab> rdfs:isDefinedBy <https://stad.gent/data/blank_node/81a0b850-d100-4c53-91d9-3e280f579fab> .