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CORR
2011
Springer
261views Education» more  CORR 2011»
13 years 5 months ago
Convex and Network Flow Optimization for Structured Sparsity
We consider a class of learning problems regularized by a structured sparsity-inducing norm defined as the sum of 2- or ∞-norms over groups of variables. Whereas much effort ha...
Julien Mairal, Rodolphe Jenatton, Guillaume Obozin...
MOC
2011
13 years 5 months ago
A two-level enriched finite element method for a mixed problem
The simplest pair of spaces P1/P0 is made inf-sup stable for the mixed form of the Darcy equation. The key ingredient is enhance the finite element spaces inside a PetrovGalerkin ...
Alejandro Allendes, Gabriel R. Barrenechea, Erwin ...
RTS
2011
123views more  RTS 2011»
13 years 5 months ago
Feasibility analysis under fixed priority scheduling with limited preemptions
—Preemptive scheduling often generates a significant runtime overhead that may increase task worst-case execution times up to 40%, with respect to a fully non preemptive executi...
Gang Yao, Giorgio C. Buttazzo, Marko Bertogna
VLDB
2011
ACM
276views Database» more  VLDB 2011»
13 years 5 months ago
Ranking queries on uncertain data
Uncertain data is inherent in a few important applications such as environmental surveillance and mobile object tracking. Top-k queries (also known as ranking queries) are often n...
Ming Hua, Jian Pei, Xuemin Lin
HOTNETS
2010
13 years 4 months ago
Automatic rate adaptation
Rate adaptation is a fundamental primitive in wireless networks. Since wireless channel strength varies quickly and unpredictably, senders have to constantly measure the channel a...
Aditya Gudipati, Sachin Katti