@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> . <https://stad.gent/id/blank_node/81f4d340-b168-43c9-a4c6-48aaecbd8e25> rdfs:isDefinedBy <https://stad.gent/data/blank_node/81f4d340-b168-43c9-a4c6-48aaecbd8e25> .