@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> . <https://stad.gent/id/blank_node/81457f14-b4d0-46e1-9dba-1e37e4ef15cc> rdfs:isDefinedBy <https://stad.gent/data/blank_node/81457f14-b4d0-46e1-9dba-1e37e4ef15cc> .