J. Mori, Y. Matsuo, H. Koshiba, K. Aihara, and H. Takeda. User Modeling, Adaptation, and Personalization: 17th International Conference, UMAP 2009, formerly UM and AH, Trento, Italy, volume 5535 of Lecture Notes in Computer Science, Springer, Berlin, (2009)
K. Breiner, K. Bizik, T. Rauch, M. Seissler, G. Meixner, and P. Diebold. Human-Computer Interaction: Design and Development Approaches, 14th International Conference, HCI International 2011, Orlando, FL, USA, Proceedings, Part I, 6761, Springer, Heidelberg, (2011)
P. Lobo, T. Romão, A. Dias, and J. Danado. Ambient Intelligence: European Conference, AmI 2009, Salzburg, Austria, volume 5859 of Lecture Notes in Computer Science, Springer, Berlin, (2009)