@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> . <https://stad.gent/id/blank_node/81a33a29-d33e-4df4-8b28-69591ee40089> rdfs:isDefinedBy <https://stad.gent/data/blank_node/81a33a29-d33e-4df4-8b28-69591ee40089> .