Scholz, Christoph, Atzmueller, Martin and Stumme, Gerd. "On the Predictability of Human Contacts: Influence Factors and the Strength of Stronger Ties." Paper presented at the meeting of the Proceedings of the 2012 ASE/IEEE International Conference on Social Computing and 2012 ASE/IEEE International Conference on Privacy, Security, Risk and Trust, Washington, DC, USA, 2012.