@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> . <https://stad.gent/id/blank_node/ef8ff637-211a-4290-aa14-f44d6d6fac21> rdfs:isDefinedBy <https://stad.gent/data/blank_node/ef8ff637-211a-4290-aa14-f44d6d6fac21> .