UBICOMM 2015 The Ninth International Conference on Mobile Ubiquitous Computing, Systems, Services and Technologies ISBN: 978-1-61208-418-3 July 19 - 24, 2015 Nice, France UBICOMM 2015 Editors Carlos Becker Westphall, Federal University of Santa Catarina, Brazil Jaime Lloret Mauri, Polytechnic University of Valencia, Spain Przemyslaw Pochec, University of New Brunswick, Canada