@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> . <https://stad.gent/id/blank_node/81a65668-524e-4369-be91-788ac42b0979> rdfs:isDefinedBy <https://stad.gent/data/blank_node/81a65668-524e-4369-be91-788ac42b0979> .