@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> . <https://stad.gent/id/blank_node/b57d49b1-9819-4c12-9550-e70874cc8368> rdfs:isDefinedBy <https://stad.gent/data/blank_node/b57d49b1-9819-4c12-9550-e70874cc8368> .