Computational Science and Its Applications -- ICCSA 2013 : 13th International Conference, Ho Chi Minh City, Vietnam, July 24-27, 2013, Proceedings, Part II - Beniamino Murgante, Sanjay Misra, Maurizio Carlini, Carmelo M. Torre, Hong-Quang Nguyen, David Taniar, Bernady O. Apduhan, . Osvaldo Gervasi ((Lecture Notes in Computer Science))