@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> . <https://stad.gent/id/blank_node/87cfbe3b-57f7-4d9e-8730-52f6572a2cf4> rdfs:isDefinedBy <https://stad.gent/data/blank_node/87cfbe3b-57f7-4d9e-8730-52f6572a2cf4> .