IoT-enabled gamification for energy conservation in public buildings - Papaioannou, Thanasis G; Kotsopoulos, Dimos; Bardaki, Cleopatra; Lounis, Stavros; Dimitriou, Nikos; Boultadakis, George; Garbi, Anastasia; Schoofs, Anthony (2017 Global Internet of Things Summit (GIoTS), 2017)