@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> . <https://stad.gent/id/blank_node/81d7a3c9-ed67-495a-8c3e-d808e3182f53> rdfs:isDefinedBy <https://stad.gent/data/blank_node/81d7a3c9-ed67-495a-8c3e-d808e3182f53> .