@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> . <https://stad.gent/id/blank_node/81904d97-633a-4df1-834e-49592fa2bab2> rdfs:isDefinedBy <https://stad.gent/data/blank_node/81904d97-633a-4df1-834e-49592fa2bab2> .