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128
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JC
2007
15 years 3 months ago
2007
We study the complexity of approximating the smallest eigenvalue of −∆ + q with Dirichlet boundary conditions on the d-dimensional unit cube. Here ∆ is the Laplacian, and th...
138
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PVLDB
2008
15 years 3 months ago
2008
Estimates of predicate selectivities by database query optimizers often differ significantly from those actually encountered during query execution, leading to poor plan choices a...
103
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PE
2006
Springer
15 years 3 months ago
2006
Springer
Several recent studies have proposed methods to accelerate the receipt of a file by downloading its parts from different servers in parallel. The schemes suggested in most propose...
129
Voted
PE
2007
Springer
15 years 3 months ago
2007
Springer
File swarming (or file sharing) is one of the most important applications in P2P networks. In this paper, we propose a stochastic framework to analyze a file swarming system und...
117
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MONET
2008
15 years 2 months ago
2008
While traditional link layer protocols assume that they fully control the underlying link, in contemporary wireless networks the link may be dynamically shared by sessions belongin...