@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> . <https://stad.gent/id/blank_node/ff4de15c-0819-4c00-8167-b719280ace28> rdfs:isDefinedBy <https://stad.gent/data/blank_node/ff4de15c-0819-4c00-8167-b719280ace28> .