@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> . <https://stad.gent/id/blank_node/81f39c92-f87a-42f4-9954-d3e449b223e3> rdfs:isDefinedBy <https://stad.gent/data/blank_node/81f39c92-f87a-42f4-9954-d3e449b223e3> .