@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> . <https://stad.gent/id/blank_node/81ca5ac6-f3c3-44df-9b37-04419fb5743b> rdfs:isDefinedBy <https://stad.gent/data/blank_node/81ca5ac6-f3c3-44df-9b37-04419fb5743b> .