@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> . <https://stad.gent/id/blank_node/81a99617-79d8-40e4-8f56-48c5dc12639c> rdfs:isDefinedBy <https://stad.gent/data/blank_node/81a99617-79d8-40e4-8f56-48c5dc12639c> .