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91
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CORR
2010
Springer
103views Education» more  CORR 2010»
15 years 27 days ago
Improved Approximation for Guarding Simple Galleries from the Perimeter
We provide an O(log log OPT)-approximation algorithm for the problem of guarding a simple polygon with guards on the perimeter. We first design a polynomial-time algorithm for bui...
James King, David G. Kirkpatrick
105
Voted
CORR
2010
Springer
136views Education» more  CORR 2010»
15 years 27 days ago
Max-min Fairness in 802.11 Mesh Networks
In this paper we build upon the recent observation that the 802.11 rate region is log-convex and, for the first time, characterise max-min fair rate allocations for a large class o...
Douglas J. Leith, Qizhi Cao, Vijay G. Subramanian
73
Voted
CORR
2010
Springer
62views Education» more  CORR 2010»
15 years 27 days ago
Twenty Questions Games Always End With Yes
Huffman coding is often presented as the optimal solution to Twenty Questions. However, a caveat is that Twenty Questions games always end with a reply of "Yes," whereas ...
John T. Gill III, William Wu
96
Voted
CORR
2010
Springer
165views Education» more  CORR 2010»
15 years 27 days ago
Compressed Sensing for Sparse Underwater Channel Estimation: Some Practical Considerations
We examine the use of a structured thresholding algorithm for sparse underwater channel estimation using compressed sensing. This method shows some improvements over standard algo...
Sushil Subramanian
86
Voted
CORR
2010
Springer
73views Education» more  CORR 2010»
15 years 27 days ago
Exponential Family Hybrid Semi-Supervised Learning
We present an approach to semi-supervised learning based on an exponential family characterization. Our approach generalizes previous work on coupled priors for hybrid generative/...
Arvind Agarwal, Hal Daumé III