@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> . <https://stad.gent/id/blank_node/21b7aff8-948b-4984-8bfb-a50946f83ca1> rdfs:isDefinedBy <https://stad.gent/data/blank_node/21b7aff8-948b-4984-8bfb-a50946f83ca1> .