@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> . <https://stad.gent/id/blank_node/81a2db5e-6173-4989-b305-c5e91abc38d9> rdfs:isDefinedBy <https://stad.gent/data/blank_node/81a2db5e-6173-4989-b305-c5e91abc38d9> .