@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> . <https://stad.gent/id/blank_node/81f4a79c-c032-4320-b5e4-44bc39f42719> rdfs:isDefinedBy <https://stad.gent/data/blank_node/81f4a79c-c032-4320-b5e4-44bc39f42719> .