@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> . <https://stad.gent/id/blank_node/81ef8469-f0a0-4637-8244-62e022d40556> rdfs:isDefinedBy <https://stad.gent/data/blank_node/81ef8469-f0a0-4637-8244-62e022d40556> .