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CORR
2010
Springer
201views Education» more  CORR 2010»
14 years 12 months ago
Online Advertisement, Optimization and Stochastic Networks
In this paper, we propose a stochastic model to describe how search service providers charge client companies based on users' queries for the keywords related to these compan...
R. Srikant
MP
2010
154views more  MP 2010»
15 years 26 days ago
A null-space primal-dual interior-point algorithm for nonlinear optimization with nice convergence properties
Abstract. We present a null-space primal-dual interior-point algorithm for solving nonlinear optimization problems with general inequality and equality constraints. The algorithm a...
Xinwei Liu, Yaxiang Yuan
SIAMSC
2010
215views more  SIAMSC 2010»
15 years 25 days ago
A Fast Algorithm for Sparse Reconstruction Based on Shrinkage, Subspace Optimization, and Continuation
We propose a fast algorithm for solving the ℓ1-regularized minimization problem minx∈Rn µ x 1 + Ax − b 2 2 for recovering sparse solutions to an undetermined system of linea...
Zaiwen Wen, Wotao Yin, Donald Goldfarb, Yin Zhang
CORR
2011
Springer
145views Education» more  CORR 2011»
14 years 9 months ago
MDS Array Codes with Optimal Rebuilding
—MDS array codes are widely used in storage systems to protect data against erasures. We address the rebuilding ratio problem, namely, in the case of erasures, what is the the fr...
Itzhak Tamo, Zhiying Wang, Jehoshua Bruck
JIRS
2010
99views more  JIRS 2010»
15 years 27 days ago
A New Algorithm for Measuring and Optimizing the Manipulability Index
The estimation of the performance characteristics of robot manipulators is crucial in robot application and design. Furthermore, studying the manipulability index for every point w...
Ayssam Yehia Elkady, Mohammed Mohammed, Tarek Sobh