@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> . <https://stad.gent/id/blank_node/81ea49c5-f0e7-48e0-8d89-065865b674f3> rdfs:isDefinedBy <https://stad.gent/data/blank_node/81ea49c5-f0e7-48e0-8d89-065865b674f3> .