@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> . <https://stad.gent/id/blank_node/81b174b5-c7d7-4bba-9101-eecca1978dae> rdfs:isDefinedBy <https://stad.gent/data/blank_node/81b174b5-c7d7-4bba-9101-eecca1978dae> .