Hideyuki Tokuda Michael Beigl Adrian Friday A. J. Bernheim Brush Yoshito Tobe Pervasive Computing, 7th International Conference, Pervasive 2009, Nara, Japan, May 11-14, 2009. Proceedings 5538 2009 http://dx.doi.org/10.1007/978-3-642-01516-8 978-3-642-01515-1 Pervasive Lecture Notes in Computer Science Springer db/conf/pervasive/pervasive2009.html