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TSP
2012
12 years 6 months ago
Robust Multicast Beamforming for Spectrum Sharing-Based Cognitive Radios
Abstract—We consider a robust downlink beamforming optimization problem for secondary multicast transmission in a multiple-input multiple-output (MIMO) spectrum sharing cognitive...
Yongwei Huang, Qiang Li, Wing-Kin Ma, Shuzhong Zha...
SIGMOD
2012
ACM
234views Database» more  SIGMOD 2012»
12 years 1 months ago
BloomUnit: declarative testing for distributed programs
We present BloomUnit, a testing framework for distributed programs written in the Bloom language. BloomUnit allows developers to write declarative test specifications that descri...
Peter Alvaro, Andrew Hutchinson, Neil Conway, Will...
INFOCOM
2012
IEEE
12 years 1 months ago
Multiple random walks to uncover short paths in power law networks
—Developing simple distributed algorithms to allow nodes to perform topology discovery and message routing using incomplete topological information is a problem of great interest...
Bruno F. Ribeiro, Prithwish Basu, Don Towsley
STOC
2012
ACM
221views Algorithms» more  STOC 2012»
12 years 1 months ago
From query complexity to computational complexity
We consider submodular optimization problems, and provide a general way of translating oracle inapproximability results arising from the symmetry gap technique to computational co...
Shahar Dobzinski, Jan Vondrák
CVPR
2012
IEEE
12 years 1 months ago
Linear solution to scale invariant global figure ground separation
We propose a novel linear method for scale invariant figure ground separation in images and videos. Figure ground separation is treated as a superpixel labeling problem. We optim...
Hao Jiang