@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> . <https://stad.gent/id/blank_node/c9da1e37-be2e-433a-a903-445ea08da70b> rdfs:isDefinedBy <https://stad.gent/data/blank_node/c9da1e37-be2e-433a-a903-445ea08da70b> .