@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> . <https://stad.gent/id/blank_node/ef5f54e6-1ebb-4e47-a809-3598423fbac0> rdfs:isDefinedBy <https://stad.gent/data/blank_node/ef5f54e6-1ebb-4e47-a809-3598423fbac0> .