@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> . <https://stad.gent/id/blank_node/81139c22-22d3-420e-846a-14c8a1f23f89> rdfs:isDefinedBy <https://stad.gent/data/blank_node/81139c22-22d3-420e-846a-14c8a1f23f89> .