@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> . <https://stad.gent/id/blank_node/81e684d3-c3c9-4d08-9059-a121ed8345d0> rdfs:isDefinedBy <https://stad.gent/data/blank_node/81e684d3-c3c9-4d08-9059-a121ed8345d0> .