@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> . <https://stad.gent/id/blank_node/1fffb51d-512e-448c-b3c2-ef91889a04ef> rdfs:isDefinedBy <https://stad.gent/data/blank_node/1fffb51d-512e-448c-b3c2-ef91889a04ef> .