UbiComp 2003, ubiquitous computing : 5th international conference, Seattle, WA, USA, October 12-15 2003 : proceedings / Anind K. Dey, Albrecht Schmidt, Joseph F. McCarthy (eds.). - Dey, Anind K., 1970-; Schmidt, Albrecht, 1970-; McCarthy, Joseph F., 1961- (Lecture notes in computer science, 2003)