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PRL
2008
15 years 6 months ago
2008
In this paper, we propose spam e-mail filtering methods having high accuracies and low time complexities. The methods are based on the n-gram approach and a heuristics which is re...
150
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SCL
2008
15 years 6 months ago
2008
Significant progress in control design has been achieved by the use of nonsmooth and semiinfinite mathematical programming techniques. In contrast with LMI or BMI approaches, thes...
148
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SIAMAM
2008
15 years 6 months ago
2008
Wave scattering by an array of bodies that is periodic except for a finite number of missing or irregular elements is considered. The field is decomposed into contributions from a...
170
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SIAMCO
2008
15 years 6 months ago
2008
We analyze controllability and observability conditions for second order descriptor systems and show how the classical conditions for first order systems can be generalized to this...
153
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SIAMCOMP
2008
15 years 6 months ago
2008
Part I of this paper showed that the hidden subgroup problem over the symmetric group--including the special case relevant to Graph Isomorphism--cannot be efficiently solved by st...