@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> . <https://stad.gent/id/blank_node/87f91863-725e-4e71-be1b-d009bfeea2d3> rdfs:isDefinedBy <https://stad.gent/data/blank_node/87f91863-725e-4e71-be1b-d009bfeea2d3> .