@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> . <https://stad.gent/id/blank_node/81d8b13f-7dad-4077-9d26-ac21ec15a4c3> rdfs:isDefinedBy <https://stad.gent/data/blank_node/81d8b13f-7dad-4077-9d26-ac21ec15a4c3> .