@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> . <https://stad.gent/id/blank_node/ef41e181-cf8f-478c-a601-71cd0644a500> rdfs:isDefinedBy <https://stad.gent/data/blank_node/ef41e181-cf8f-478c-a601-71cd0644a500> .