@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> . <https://stad.gent/id/blank_node/57a970f1-4b1b-4afc-a64e-4e8f06b425b0> rdfs:isDefinedBy <https://stad.gent/data/blank_node/57a970f1-4b1b-4afc-a64e-4e8f06b425b0> .