Anthony LaMarca Marc Langheinrich Khai N. Truong Pervasive Computing, 5th International Conference, PERVASIVE 2007, Toronto, Canada, May 13-16, 2007, Proceedings Pervasive Lecture Notes in Computer Science 4480 Springer 2007 978-3-540-72036-2 db/conf/pervasive/pervasive2007.html