M. Barz, M. Moniri, M. Weber, und D. Sonntag. Adjunct Proceedings of the 2016 ACM International Joint Conference on Pervasive and Ubiquitous Computing (UbiComp '16), Heidelberg, Germany, Seite 17--20. New York, ACM, (2016)
J. Mori, Y. Matsuo, H. Koshiba, K. Aihara, und H. Takeda. User Modeling, Adaptation, and Personalization: 17th International Conference, UMAP 2009, formerly UM and AH, Trento, Italy, Volume 5535 von Lecture Notes in Computer Science, Springer, Berlin, (2009)