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)
M. Müller. Privacy and Identity Management for Emerging Services and Technologies, Volume 421 von IFIP Advances in Information and Communication Technology, Springer, Heidelberg, (2015)