A. Chatzimichail, C. Chatzigeorgiou, F. Andritsopoulos, C. Karaberi, G. Meditskos, P. Kasnesis, D. Kogias, G. Gorgogetas, A. Tsanousa, S. Vrochidis, C. Patrikakis and I. Kompatsiaris, Smart Interconnected Infrastructure for Security and Safety in Public Places, International Workshop on IoT Applications and Industry 4.0, co-located with the International Conference on Distributed Computing in Sensor Systems,(DCOSS 2019), Santorini Island, Greece, 29-31 May 2019.