Evolution Toward Next Generation Internet (ENGI) -- General Purpose Computation on Graphics Hardware (GPGPU): Methods, Algorithms and Applications -- Intelligent and Collaborative System Integration Technology (ICSIT) -- Computational Methods for Financial Markets -- International Workshop on P2P for High Performance Computational Sciences (P2P-HPCS06) -- Computational Finance and Business Intelligence -- Third International Workshop on Automatic Differentiation Tools and Applications -- Workshop on Scientific Computing in Electronics Engineering -- New Trends in the Numerical Solution of Structured Systems with Applications -- Workshop on Computational Science in Software Engineering (CSSE’06) -- Digital Human Modeling (DHM-06) -- Real Time Systems and Adaptive Applications (RTSAA 06) -- International Workshop on Grid Computing Security and Resource Management (GSRM’06) -- Fourth International Workshop on Autonomic Distributed Data and Storage Systems Management Workshop (ADSM 2006).