@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> . <https://stad.gent/id/blank_node/57c9c9f2-7587-49c6-a451-d8645d01d8a0> rdfs:isDefinedBy <https://stad.gent/data/blank_node/57c9c9f2-7587-49c6-a451-d8645d01d8a0> .