4th International Conference on Internet of Things and Connected Technologies (ICIoTCT), 2019 : internet of things and connected technologies - Nain, Neeta; Vipparthi, Santosh Kumar (Advances in intelligent systems and computing / series editor Janusz Kacprzyk ; advisory editors Nikhil R. Pal, Rafael Bello Perez, Emilio S. Corchado, Hani Hagras [y otros ocho] ;, 2020)