Parallel and Distributed Processing and Applications 4th International Symposium, ISPA 2006, Sorrento, Italy, December 4-6, 2006. Proceedings - Guo, Minyi; Yang, Laurence T.; Martino, Beniamino Di; Zima, Hans P.; Dongarra, Jack; Tang, Feilong (Springer Berlin Heidelberg, 2006)