@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> . <https://stad.gent/id/blank_node/57a1b18b-1d4e-4971-a939-4c8a9d42da56> rdfs:isDefinedBy <https://stad.gent/data/blank_node/57a1b18b-1d4e-4971-a939-4c8a9d42da56> .