P. Coppola, V. Mea, L. Gaspero, and S. Mizzaro. Mobile HCI Workshop on Mobile and Ubiquitous Information Access, volume 2954 of Lecture Notes in Computer Science, page 1-10. Springer, (2003)
M. Pavan, S. Mizzaro, and I. Scagnetto. DART@AI*IA (Revised and Invited Papers), volume 668 of Studies in Computational Intelligence, page 35-61. (2014)