This book constitutes the refereed proceedings of the 9th International Conference on Ubiquitous Computing, UbiComp 2007. It covers all current issues in ubiqui

Ambient intelligence is the vision of a technology that will become invisibly embedded in our natural surroundings, present whenever we need it, enabled by simp

This book constitutes the refereed proceedings of the 5th International Conference on Pervasive Computing, PERVASIVE 2007, held in Toronto, Canada in May 2007.

The disjuncture between the design intent of the developers of ICTs and the needs of the users has often led to surprising use of new technologies, as users hav

This book is part of a two-volume work that constitutes the refereed proceedings of the 11th IFIP TC13 International Conference on Human-Computer Interaction, I