@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> . <https://stad.gent/id/blank_node/91ab8f5d-3159-4204-914a-9288ec9e4afd> rdfs:isDefinedBy <https://stad.gent/data/blank_node/91ab8f5d-3159-4204-914a-9288ec9e4afd> .