@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> . <https://stad.gent/id/blank_node/81a4dd31-de19-4244-9076-03367ca6bc61> rdfs:isDefinedBy <https://stad.gent/data/blank_node/81a4dd31-de19-4244-9076-03367ca6bc61> .