@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> . <https://stad.gent/id/blank_node/81db68a1-ed34-44cc-8544-4336b97f6b99> rdfs:isDefinedBy <https://stad.gent/data/blank_node/81db68a1-ed34-44cc-8544-4336b97f6b99> .