@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> . <https://stad.gent/id/blank_node/509f09a5-2c50-46b5-9055-b0d81674d864> rdfs:isDefinedBy <https://stad.gent/data/blank_node/509f09a5-2c50-46b5-9055-b0d81674d864> .