AGeoBW and AED-SICAD AG developed an ISO compliant CityGML UML model for Enterprise Architect based on the UML diagrams from CityGML specification 2.0.
This EA UML model was checked by TUM and was now handed over to the SIG 3D by AGeoBW, AED-SICAD and TUM on 20th September 2013.
You can download the EA file of this UML model as beta version here: CityGML_2.x_new_2016_03_09.eap