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Kernel methods suffer from the high time and space complexity because kernel methods having large kernel matrix for training data. So we have to speed up the kernel method. That problem is solved by the low rank approximation. In this paper, we compare the two sampling based low rank approximation techniques implement for the large kernel matrix. First one is standard Nystrom method and the second...
Data transmission is the critical issue when dealing with parallel processing systems. As the number of processors increases day by day inside the supercomputers, faults are very common to occur. Therefore, generating node-disjoint paths is the guarantee to sending data from source process to destination process successfully, since single faulty process can affect maximum one path. Beyond selecting...
Independent spanning trees (ISTs) may be used for message broadcasting in any interconnection networks, which provides preferential performances. It can be used to enhance the fault tolerance, bandwidth, and security. In this way, the designs of ISTs for various types of topologies have been widely analysed. There is a hypothesis on ISTs: any n-connected network has n ISTs rooted at any node. In this...
Adaptability is the ability of a system to adapt itself efficiently to changed circumstances. Adaptability in transaction oriented grid service is a challenge due to the extreme complexity and the occurrence of failures in the grid system. This paper presents the design, implementation, and evaluation of an adaptive model, ATOGS, using adaptive fault-tolerance (i.e., checkpointing and replication)...
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