@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> . <https://stad.gent/id/blank_node/81405c5c-75f2-45fc-a837-445e303ebf06> rdfs:isDefinedBy <https://stad.gent/data/blank_node/81405c5c-75f2-45fc-a837-445e303ebf06> .