Science and Technologies for Smart Cities : 6th EAI International Conference, SmartCity360°, Virtual Event, December 2-4, 2020, Proceedings - Paiva, Sara; Gupta, Nishu; Lopes, Sérgio F.; Lopes, Sérgio Ivan; Yonezawa, Takuro; Zitouni, Rafik (Springer International Publishing, 2021)