@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> . <https://stad.gent/id/blank_node/c9ffc010-4559-4535-adf7-22ab0e243dbd> rdfs:isDefinedBy <https://stad.gent/data/blank_node/c9ffc010-4559-4535-adf7-22ab0e243dbd> .