@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> . <https://stad.gent/id/blank_node/51ce21fb-878e-456c-8504-f9a9d12b8f55> rdfs:isDefinedBy <https://stad.gent/data/blank_node/51ce21fb-878e-456c-8504-f9a9d12b8f55> .