@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> . <https://stad.gent/id/blank_node/81e0a709-90c4-45f9-98d2-29025988d379> rdfs:isDefinedBy <https://stad.gent/data/blank_node/81e0a709-90c4-45f9-98d2-29025988d379> .