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236
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ICASSP
2011
IEEE
14 years 11 months ago
2011
IEEE
We propose an unsupervised inference procedure for audio source separation. Components in nonnegative matrix factorization (NMF) are grouped automatically in audio sources via a p...
156
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ICASSP
2011
IEEE
14 years 11 months ago
2011
IEEE
In this paper we consider the problem of detecting multiple point-like targets in the presence of steering vector mismatches and Gaussian disturbance with unknown covariance matri...
226
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ACL
2011
2011
Better Hypothesis Testing for Statistical Machine Translation: Controlling for Optimizer Instability
14 years 11 months ago
In statistical machine translation, a researcher seeks to determine whether some innovation (e.g., a new feature, model, or inference algorithm) improves translation quality in co...
370
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AMW
2011
14 years 11 months ago
2011
The goal of this paper is to permit secure outsourced system evaluation. We propose a method for generating synthetic databases and obfuscating a workload of queries in order to pr...
194
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CORR
2011
Springer
14 years 11 months ago
2011
Springer
Many complex systems, from power grids and the internet, to the brain and society, can be modeled using modular networks. Modules, densely interconnected groups of elements, often...