@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> . <https://stad.gent/id/blank_node/81c5e9f4-8229-42b7-85ec-7550333e9f24> rdfs:isDefinedBy <https://stad.gent/data/blank_node/81c5e9f4-8229-42b7-85ec-7550333e9f24> .