@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> . <https://stad.gent/id/blank_node/81dfef4c-314a-47b7-81c4-ef8ab5282f64> rdfs:isDefinedBy <https://stad.gent/data/blank_node/81dfef4c-314a-47b7-81c4-ef8ab5282f64> .