@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> . <https://stad.gent/id/blank_node/3991b549-61f5-4e9a-a19f-402ab2498709> rdfs:isDefinedBy <https://stad.gent/data/blank_node/3991b549-61f5-4e9a-a19f-402ab2498709> .