@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> . <https://stad.gent/id/blank_node/81ff246d-ddff-48d3-9fa5-9bad7334feaf> rdfs:isDefinedBy <https://stad.gent/data/blank_node/81ff246d-ddff-48d3-9fa5-9bad7334feaf> .