@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> . <https://stad.gent/id/blank_node/a51f8121-e538-4319-a787-3309846c85ac> rdfs:isDefinedBy <https://stad.gent/data/blank_node/a51f8121-e538-4319-a787-3309846c85ac> .