@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> . <https://stad.gent/id/blank_node/81d10f48-30e0-47c2-aa22-75012d14e70b> rdfs:isDefinedBy <https://stad.gent/data/blank_node/81d10f48-30e0-47c2-aa22-75012d14e70b> .