UbiComp 2003: Ubiquitous Computing 5th International Conference, Seattle, WA, USA, October 12-15, 2003, Proceedings - Dey, Anind K.; Dey, Anind K.; Schmidt, Albrecht; Schmidt, Albrecht; McCarthy, Joseph F.; McCarthy, Joseph F. (Springer Berlin Heidelberg : Imprint: Springer, 2003)