@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> . <https://stad.gent/id/blank_node/ff54de4f-7456-45f1-a0b0-064529a30217> rdfs:isDefinedBy <https://stad.gent/data/blank_node/ff54de4f-7456-45f1-a0b0-064529a30217> .