@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> . <https://stad.gent/id/blank_node/51f1c59f-5e3a-4ff1-b980-a0523835f039> rdfs:isDefinedBy <https://stad.gent/data/blank_node/51f1c59f-5e3a-4ff1-b980-a0523835f039> .