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EDBT
2010
ACM
189views Database» more  EDBT 2010»
15 years 5 months ago
Efficient physical operators for cost-based XPath execution
The creation of a generic and modular query optimization and processing infrastructure can provide significant benefits to XML data management. Key pieces of such an infrastructur...
Haris Georgiadis, Minas Charalambides, Vasilis Vas...
IPPS
2010
IEEE
14 years 9 months ago
Analysis of durability in replicated distributed storage systems
In this paper, we investigate the roles of replication vs. repair to achieve durability in large-scale distributed storage systems. Specifically, we address the fundamental questio...
Sriram Ramabhadran, Joseph Pasquale
CORR
2010
Springer
62views Education» more  CORR 2010»
14 years 12 months ago
Information embedding meets distributed control
We consider the problem of information embedding where the encoder modifies a white Gaussian host signal in a power-constrained manner to encode the message, and the decoder recov...
Pulkit Grover, Aaron B. Wagner, Anant Sahai
CORR
2010
Springer
165views Education» more  CORR 2010»
14 years 12 months ago
Online Learning: Beyond Regret
We study online learnability of a wide class of problems, extending the results of [26] to general notions of performance measure well beyond external regret. Our framework simult...
Alexander Rakhlin, Karthik Sridharan, Ambuj Tewari
ICA
2010
Springer
14 years 9 months ago
Non-negative Independent Component Analysis Algorithm Based on 2D Givens Rotations and a Newton Optimization
Abstract. In this paper, we consider the Independent Component Analysis problem when the hidden sources are non-negative (Non-negative ICA). This problem is formulated as a non-lin...
Wendyam Serge Boris Ouedraogo, Antoine Souloumiac,...