@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> . <https://stad.gent/id/blank_node/51b4fd81-c57d-4b61-b9e8-aa4a5e102078> rdfs:isDefinedBy <https://stad.gent/data/blank_node/51b4fd81-c57d-4b61-b9e8-aa4a5e102078> .