@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> . <https://stad.gent/id/blank_node/81a7135e-c731-4cb0-97d6-b0ada5bc38af> rdfs:isDefinedBy <https://stad.gent/data/blank_node/81a7135e-c731-4cb0-97d6-b0ada5bc38af> .