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» The Complexity of the Approximation of the Bandwidth Problem
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FOCS
2005
IEEE
14 years 2 months ago
The Closest Substring problem with small distances
In the CLOSEST SUBSTRING problem k strings s1, ..., sk are given, and the task is to find a string s of length L such that each string si has a consecutive substring of length L ...
Dániel Marx
KDD
2010
ACM
223views Data Mining» more  KDD 2010»
13 years 11 months ago
An efficient algorithm for a class of fused lasso problems
The fused Lasso penalty enforces sparsity in both the coefficients and their successive differences, which is desirable for applications with features ordered in some meaningful w...
Jun Liu, Lei Yuan, Jieping Ye
CORR
2008
Springer
88views Education» more  CORR 2008»
13 years 9 months ago
Lower bounds for distributed markov chain problems
We study the worst-case communication complexity of distributed algorithms computing a path problem based on stationary distributions of random walks in a network G with the caveat...
Rahul Sami, Andy Twigg
RANLP
2003
13 years 10 months ago
Combining independent modules in lexical multiple-choice problems
Existing statistical approaches to natural language problems are very coarse approximations to the true complexity of language processing. As such, no single technique will be bes...
Peter D. Turney, Michael L. Littman, Jeffrey Bigha...
GLVLSI
2010
IEEE
168views VLSI» more  GLVLSI 2010»
13 years 9 months ago
A revisit to voltage partitioning problem
We revisit voltage partitioning problem when the mapped voltages of functional units are predetermined. If energy consumption is estimated by formulation E = CV 2 , a published wo...
Tao Lin, Sheqin Dong, Bei Yu, Song Chen, Satoshi G...