@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> . <https://stad.gent/id/blank_node/c8909df9-77a8-4857-b81d-af9ec138347a> rdfs:isDefinedBy <https://stad.gent/data/blank_node/c8909df9-77a8-4857-b81d-af9ec138347a> .