@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> . <https://stad.gent/id/blank_node/81c6c987-7c97-4ec4-a472-edf5ff83094f> rdfs:isDefinedBy <https://stad.gent/data/blank_node/81c6c987-7c97-4ec4-a472-edf5ff83094f> .