@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> . <https://stad.gent/id/blank_node/81e86ba2-851e-46d9-a1c5-01b506a5adfa> rdfs:isDefinedBy <https://stad.gent/data/blank_node/81e86ba2-851e-46d9-a1c5-01b506a5adfa> .