The OGC CityGML SWG, the SIG 3D and the Technical University of Munich (TUM) will host a joint international workshop regarding the development of a CityGML ADE for utility networks. | The OGC CityGML SWG, the SIG 3D and the Technical University of Munich (TUM) will host a joint international workshop regarding the development of a CityGML ADE for utility networks. |