@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> . <https://stad.gent/id/blank_node/50c52b87-0f69-4bb5-86ac-4cffd0887adc> rdfs:isDefinedBy <https://stad.gent/data/blank_node/50c52b87-0f69-4bb5-86ac-4cffd0887adc> .