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123
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CN
2007
15 years 1 months ago
2007
— Energy efficient operation is of paramount importance for battery-powered wireless nodes. In an effort to conserve energy, standard protocols for WLANs have the provision for w...
106
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IOR
2008
15 years 1 months ago
2008
This paper develops rare event simulation methods for the estimation of portfolio credit risk -- the risk of losses to a portfolio resulting from defaults of assets in the portfol...
120
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IOR
2008
15 years 1 months ago
2008
We introduce and study a randomized quasi-Monte Carlo method for estimating the state distribution at each step of a Markov chain. The number of steps in the chain can be random an...
108
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COMPUTER
2007
15 years 1 months ago
2007
not things, but abstractions that represent things. Data use provides human civilization’s foundation, and computers and other digital technologies have merely amplified this us...
130
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IJNSEC
2006
15 years 1 months ago
2006
On a wired network, physical authentication is implicitly provided by access: if a user is able to plug a cable into a network socket, he must have cleared other security checks s...