@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> . <https://stad.gent/id/blank_node/81020c74-ca9e-41a8-885d-a978b5510bbc> rdfs:isDefinedBy <https://stad.gent/data/blank_node/81020c74-ca9e-41a8-885d-a978b5510bbc> .