@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> . <https://stad.gent/id/blank_node/81dbc4f5-76e4-4a22-9253-abe61f5ee291> rdfs:isDefinedBy <https://stad.gent/data/blank_node/81dbc4f5-76e4-4a22-9253-abe61f5ee291> .