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152
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JSAC
2008
15 years 3 months ago
2008
Abstract--The concept of cognitive radio (or secondary spectrum access) is currently under investigation as a promising paradigm to achieve efficient use of the frequency resource ...
137
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JSS
2008
15 years 3 months ago
2008
Advances in communication technology allow a variety of new network environments and services available very rapidly. Appearance of various network environments tends to enable a ...
151
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ESWA
2007
15 years 3 months ago
2007
The credit card industry has been growing rapidly recently, and thus huge numbers of consumers’ credit data are collected by the credit department of the bank. The credit scorin...
121
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NECO
2006
15 years 3 months ago
2006
Recently, there has been an outburst of interest in extending topographic maps of vectorial data to more general data structures, such as sequences or trees. However, at present, ...
155
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SIAMSC
2008
15 years 3 months ago
2008
A multilevel adaptive aggregation method for calculating the stationary probability vector of an irreducible stochastic matrix is described. The method is a special case of the ada...