@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> . <https://stad.gent/id/blank_node/81613d6b-55cc-4002-914a-31feca4b7374> rdfs:isDefinedBy <https://stad.gent/data/blank_node/81613d6b-55cc-4002-914a-31feca4b7374> .