@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> . <https://stad.gent/id/blank_node/81cc46a1-c016-4fdc-8b70-dc697064807e> rdfs:isDefinedBy <https://stad.gent/data/blank_node/81cc46a1-c016-4fdc-8b70-dc697064807e> .