B. Macek, C. Scholz, M. Atzmueller, and G. Stumme. 23rd ACM Conference on Hypertext and Social Media, HT '12, page 245-254. Milwaukee, WI, USA, June 25-28, 2012, ACM, (2012)Best Paper.
N. Klein, S. Sigg, K. David, and M. Beigl. Proceedings of Workshop on Context-Systems Design, Evaluation and Optimisation. ARCS 2010 - Architecture of Computing Systems, Hannover, Germany, (2010)