Christin, DelphineDelphineChristinMichalak, M.M.MichalakHollick, M.M.Hollick2020-05-122020-05-122013https://resolver.sub.uni-goettingen.de/purl?gro-2/65120Raising User Awareness about Privacy Threats in Participatory Sensing Applications through Graphical Warningsconference_paper