Computational Science and Its Applications - ICCSA 2004 International Conference, Assisi, Italy, May 14-17, 2004, Proceedings, Part II - Laganà, Antonio; Laganà, Antonio; Gavrilova, Marina L.; Gavrilova, Marina L.; Kumar, Vipin; Kumar, Vipin; Mun, Youngsong; Mun, Youngsong; Tan, C.J. Kenneth; Tan, C.J. Kenneth; Gervasi, Osvaldo; Gervasi, Osvaldo (Springer Berlin Heidelberg : Imprint: Springer, 2004)