@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> . <https://stad.gent/id/blank_node/81d9a8ac-398d-430c-81aa-64c0f8ec09f5> rdfs:isDefinedBy <https://stad.gent/data/blank_node/81d9a8ac-398d-430c-81aa-64c0f8ec09f5> .