@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> . <https://stad.gent/id/blank_node/91ac73cf-30f2-415a-a8a0-5171a9003ea7> rdfs:isDefinedBy <https://stad.gent/data/blank_node/91ac73cf-30f2-415a-a8a0-5171a9003ea7> .