MOBILE MAPPING SOLUTIONS FOR THE UPDATE AND MANAGEMENT OF TRAFFIC SIGNS IN A ROAD CADASTRE FREE OPEN-SOURCE GIS ARCHITECTURE - Gaspari, F.; Barbieri, F.; Demnati, I.; Ioli, F.; Pinto, L.; Toscani, V. (Int. Arch. Photogramm. Remote Sens. Spatial Inf. Sci., 2023)