@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> . <https://stad.gent/id/blank_node/81e2a3f9-3522-48f1-a89d-71daf482e7e1> rdfs:isDefinedBy <https://stad.gent/data/blank_node/81e2a3f9-3522-48f1-a89d-71daf482e7e1> .