@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> . <https://stad.gent/id/blank_node/81e1ff6d-b12a-46e6-b04f-a168d799f883> rdfs:isDefinedBy <https://stad.gent/data/blank_node/81e1ff6d-b12a-46e6-b04f-a168d799f883> .