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Grid has been proposed to be a promising service-oriented platform for increasingly complex cooperative computing. The platforms of service-oriented Grids are often web-based where participants collaborate to achieve a common goal by sharing scarce Web-Based Computational/Computing Resources (WBCR). To effectively share the WBCR is a challenging problem in(More)
SUMMARY Scientific workflow execution often demands data-centric and computation-intensive collaboration efforts, which is typically different from the process-centric workflow execution with fixed execution specifications. Scientific workflow execution often challenges the traditional workflow development strategy in dynamic context management and role(More)
The science process is a process to solve a complex scientific problem which involves large numbers of resources and scientists. Organizing science processes in workflow forms and deploying such scientific workflows in grid environments could provide the effective process management and resource sharing so as to achieve the automatic performance of science(More)
A science process is a process to solve complex scientific problems which usually have no mature solving methods. Science processes if modeled in workflow forms, i.e. scientific workflows, can be managed more effectively and performed more automatically. However, most current workflow models seldom take account of specific characteristics of science(More)