@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> . <https://stad.gent/id/blank_node/81492bf4-3aa1-4179-a38d-8096f65d5cfc> rdfs:isDefinedBy <https://stad.gent/data/blank_node/81492bf4-3aa1-4179-a38d-8096f65d5cfc> .