@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> . <https://stad.gent/id/blank_node/c81e7efa-5d5d-4b09-b75a-9c2e53f97409> rdfs:isDefinedBy <https://stad.gent/data/blank_node/c81e7efa-5d5d-4b09-b75a-9c2e53f97409> .