@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> . <https://stad.gent/id/blank_node/81d5fc2c-fe93-4bac-a880-3f1a04ac3138> rdfs:isDefinedBy <https://stad.gent/data/blank_node/81d5fc2c-fe93-4bac-a880-3f1a04ac3138> .