3475 search results - page 335 / 695 » Backbones in Optimization and Approximation |
149
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TIT
2010
15 years 1 months ago
2010
In this contribution, the capacity-achieving input covariance matrices for coherent blockfading correlated MIMO Rician channels are determined. In contrast with the Rayleigh and u...
180
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ICASSP
2011
IEEE
14 years 10 months ago
2011
IEEE
Consider a robust downlink beamforming optimization problem for secondary multicast transmission in a multiple-input multiple-output (MIMO) spectrum sharing cognitive radio (CR) n...
234
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EDBT
2011
ACM
14 years 10 months ago
2011
ACM
Data integration systems offer users a uniform interface to a set of data sources. Previous work has typically assumed that the data sources are independent of each other; however...
226
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STOC
2012
ACM
13 years 9 months ago
2012
ACM
We consider submodular optimization problems, and provide a general way of translating oracle inapproximability results arising from the symmetry gap technique to computational co...
188
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CVPR
2004
IEEE
16 years 8 months ago
2004
IEEE
This paper explores a formulation for attributed graph matching as an inference problem over a hidden Markov Random Field. We approximate the fully connected model with simpler mo...