@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> . <https://stad.gent/id/blank_node/21aa8820-897f-464f-bfba-81aec1cb5a41> rdfs:isDefinedBy <https://stad.gent/data/blank_node/21aa8820-897f-464f-bfba-81aec1cb5a41> .