@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> . <https://stad.gent/id/blank_node/81c7a71d-9e30-4d4d-97d8-7e10c3450311> rdfs:isDefinedBy <https://stad.gent/data/blank_node/81c7a71d-9e30-4d4d-97d8-7e10c3450311> .