@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> . <https://stad.gent/id/blank_node/81f51a06-c381-4924-89a4-3ae5d79039e7> rdfs:isDefinedBy <https://stad.gent/data/blank_node/81f51a06-c381-4924-89a4-3ae5d79039e7> .