@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> . <https://stad.gent/id/blank_node/ac81668b-699e-4360-8468-d0796e808a36> rdfs:isDefinedBy <https://stad.gent/data/blank_node/ac81668b-699e-4360-8468-d0796e808a36> .