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The market mechanism based on price is imported into the traditional grid architecture based on hierarchical model, and a grid architecture based on economic model is constructed. Besides the time and cost, grid users also concern about the use value of Grid resources. Accordingly, not only a utility function of grid resource but also a utility function of grid user having the Cobb-Douglas form is...
A novel steganographic scheme is proposed in this paper to embed secret message into Java executable files. It analyzes firstly the format of Java class file, and then reorder the indexes of constants to embed messages. Expensive experiments show that the stego file modified by the proposed scheme still have the same file size and the implementation performance as cover. It is concluded that our scheme...
Resource management is one of the basic and key aspects in grid computing, especially in resource organization and discovery, which are very important for good sharing and using of Grid resources. This paper reviews the mechanism and architecture of Grid resource management model from hyper topology space, and researches how to describe resources, abstract resources, provide unified system images...
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