@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> . <https://stad.gent/id/blank_node/81910a99-44fe-4b40-bf26-5d05fc4256b6> rdfs:isDefinedBy <https://stad.gent/data/blank_node/81910a99-44fe-4b40-bf26-5d05fc4256b6> .