− | * [[Workshop Munich 2016]] - (2016-10-13) 1st International SIG 3D and OGC Workshop on CityGML UtilityNetworksADE for a data model for utility networks. | + | * [[Workshop Karlsruhe 2017]] - (2017-01) 2nd International SIG 3D and OGC Workshop on CityGML UtilityNetworksADE for a data model for utility networks. |