@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> . <https://stad.gent/id/blank_node/81be153e-6fff-4146-823d-d7a7b8aac694> rdfs:isDefinedBy <https://stad.gent/data/blank_node/81be153e-6fff-4146-823d-d7a7b8aac694> .