@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> . <https://stad.gent/id/blank_node/57a0c1cd-980f-4433-829d-b4ea170fff39> rdfs:isDefinedBy <https://stad.gent/data/blank_node/57a0c1cd-980f-4433-829d-b4ea170fff39> .