@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> . <https://stad.gent/id/blank_node/a21d3ef2-d1e7-4b67-ad93-06e6b3399981> rdfs:isDefinedBy <https://stad.gent/data/blank_node/a21d3ef2-d1e7-4b67-ad93-06e6b3399981> .