@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> . <https://stad.gent/id/blank_node/81f6dd21-a313-412b-90b0-c930079070a6> rdfs:isDefinedBy <https://stad.gent/data/blank_node/81f6dd21-a313-412b-90b0-c930079070a6> .