Mobile Data Management 4th International Conference, MDM 2003, Melbourne, Australia, January 21-24, 2003, Proceedings - Chen, Ming-Syan; Chen, Ming-Syan; Chrysanthis, Panos K.; Chrysanthis, Panos K.; Sloman, Morris; Sloman, Morris; Zaslavsky, Arkady; Zaslavsky, Arkady (Springer Berlin Heidelberg : Imprint: Springer, 2003)