@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> . <https://stad.gent/id/blank_node/1ffd7899-e3d5-4539-b9cb-bbe0c154fe60> rdfs:isDefinedBy <https://stad.gent/data/blank_node/1ffd7899-e3d5-4539-b9cb-bbe0c154fe60> .