@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> . <https://stad.gent/id/blank_node/81ee7cb4-7d86-492b-9d93-555dc4ab7130> rdfs:isDefinedBy <https://stad.gent/data/blank_node/81ee7cb4-7d86-492b-9d93-555dc4ab7130> .