@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> . <https://stad.gent/id/blank_node/257d87d4-940e-4999-9e9a-57b3998ccb7f> rdfs:isDefinedBy <https://stad.gent/data/blank_node/257d87d4-940e-4999-9e9a-57b3998ccb7f> .