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184
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IJFCS
2006
15 years 6 months ago
2006
We initiate a systematic study of the Row Deletion(B) problem on matrices: Given an input matrix A and a fixed "forbidden submatrix" B, the task is to remove a minimum n...
147
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JSAC
2008
15 years 6 months ago
2008
Abstract--In this paper, a vector-form factor graph representation is derived for intersymbol interference (ISI) channels. The resultant graphs have a tree-structure that avoids th...
174
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CANDC
2000
ACM
15 years 6 months ago
2000
ACM
A new statistical model for DNA considers a sequence to be a mixture of regions with little structure and regions that are approximate repeats of other subsequences, i.e. instance...
393
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ICASSP
2011
IEEE
15 years 4 months ago
2011
IEEE
The scope of the well-known k-means algorithm has been
broadly extended with some recent results: first, the k-
means++ initialization method gives some approximation
guarantees...
260
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CORR
2010
Springer
15 years 4 months ago
2010
Springer
The CUR decomposition provides an approximation of a matrix X that has low reconstruction error and that is sparse in the sense that the resulting approximation lies in the span o...