We present a new record on computing specific bits of Pi, the mathematical constant, and discuss performing such computations on Apache Hadoop clusters. The specific bits represented in hexadecimal are 0E6C1294 AED404...
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In order to better solve the problem of distributed query optimization, a querying optimization algorithm on GEP (QO-GEP) is present. On the basis of QO-GEP, distributed GEP query optimization on grid service (DGEPQO-...
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A new grid application management system (GAMS) is proposed in this paper, which is based on globus. GAMS adopts three-tier architecture to combine grid resources, grid services andgrid users organically. In our syst...
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This paper presents and analyzes the data requirements within the clinical trial design process with particular focus on the selection of patients who are eligible to participate in the specified clinical study. The l...
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In this paper, novel coil antennas distributed on storage racks are designed for high frequency (HF) radio-frequency identification (RFID) reader. To enlarge the reading coverage on a large storage rack without using ...
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In the cloud, the operators usually offer resources on a pay per use price model. The client gets access to a newly created virtual machine and has no direct access to the underlying hardware. Therefore, the client ca...
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This paper describes the development of high-speed interconnect networks in high-performance distributedcomputing systems. We depict three typical interconnect topologies and analyze their characteristics and bisecti...
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This paper investigates the problem of Partitioning Skew1 in MapReduce-based system. Our studies with Hadoop, a widely used MapReduce implementation, demonstrate that the presence of partitioning skew causes a huge am...
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Introducing grid service into the Geological Spatial Information System (GSIS) can integrate the heterogeneous geological resources, and pack a variety of spatial geological resources into spatial grid service, which ...
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cloudcomputing which is regarded as the next revolution of science and technology is the development of distributed processing, parallelcomputing andgridcomputing. It is an Internet-based super computing model and...
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cloudcomputing which is regarded as the next revolution of science and technology is the development of distributed processing, parallelcomputing andgridcomputing. It is an Internet-based super computing model and is promoting the rapid development of mobile learning for its unique superiority as well. The paper summarizes the characteristics and models of traditional mobile learning, analyzes the features of cloudcomputing and clarifies the superiority of development of the mobile learning model in the cloudcomputing environment.
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