@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> . <https://stad.gent/id/blank_node/507d6508-9a70-42ca-969f-565e948b14a1> rdfs:isDefinedBy <https://stad.gent/data/blank_node/507d6508-9a70-42ca-969f-565e948b14a1> .