@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> . <https://stad.gent/id/blank_node/57db2681-72ac-446a-8a39-40eca632afe0> rdfs:isDefinedBy <https://stad.gent/data/blank_node/57db2681-72ac-446a-8a39-40eca632afe0> .