@prefix dct: . @prefix ns1: . @prefix ns2: . @prefix rdfs: . @prefix skos: . a skos:Concept ; dct:created "2006-08-18" ; dct:creator "Thomas Kolbe, Gerhard Groeger and Angela Czerwinski" ; ns1:hasProfile ; ns2:doctype ; ns2:status ; rdfs:seeAlso , ; skos:altLabel "06-057r1", "City Geography Markup Language" ; skos:broader ; skos:definition "CityGML is an open data model and XML-based format for the storage and exchange of virtual 3D city models. It is an application schema for the Geography Markup Language 3 (GML3), the extendible international standard for spatial data exchange issued by the Open Geospatial Consortium (OGC) and the ISO TC211."@en ; skos:notation "06-057r1" ; skos:prefLabel "City Geography Markup Language"@en .