@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> . <https://stad.gent/id/blank_node/c9a1e3fb-4187-4ccd-92d9-8d67184a9255> rdfs:isDefinedBy <https://stad.gent/data/blank_node/c9a1e3fb-4187-4ccd-92d9-8d67184a9255> .