@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> . <https://stad.gent/id/blank_node/ef89ffd5-fd28-4c69-8887-ebdfd5cf65ba> rdfs:isDefinedBy <https://stad.gent/data/blank_node/ef89ffd5-fd28-4c69-8887-ebdfd5cf65ba> .