@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> . <https://stad.gent/id/blank_node/b81f028d-1327-4c14-ac4a-593102a3dcec> rdfs:isDefinedBy <https://stad.gent/data/blank_node/b81f028d-1327-4c14-ac4a-593102a3dcec> .