Atzmueller, Martin ; Becker, Martin ; Doerfel, Stephan ; Kibanov, Mark ; Hotho, Andreas ; Macek, Björn-Elmar ; Mitzlaff, Folke ; Mueller, Juergen ; Scholz, Christoph ; Stumme, Gerd: Ubicon: Observing Social and Physical Activities. In: Proc. 4th IEEE Intl. Conf. on Cyber, Physical and Social Computing (CPSCom 2012), 2012