@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> . <https://stad.gent/id/blank_node/81138bc3-1f5f-48ec-931f-b54887fe961a> rdfs:isDefinedBy <https://stad.gent/data/blank_node/81138bc3-1f5f-48ec-931f-b54887fe961a> .