Energy-efficient prediction of smartphone unlocking. - Chu Luo; Aku Visuri; Simon Klakegg; Niels van Berkel; Zhanna Sarsenbayeva; Antti Möttönen; Jorge Gonçalves 001; Theodoros Anagnostopoulos; Denzil Ferreira; Huber Flores; Eduardo Velloso; Vassilis Kostakos (Pers. Ubiquitous Comput., 2019)