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SIGMOD
1998
ACM
96views Database» more  SIGMOD 1998»
15 years 6 months ago
Wavelet-Based Histograms for Selectivity Estimation
Query optimization is an integral part of relational database management systems. One important task in query optimization is selectivity estimation, that is, given a query P, we ...
Yossi Matias, Jeffrey Scott Vitter, Min Wang
137
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TWC
2008
169views more  TWC 2008»
15 years 2 months ago
Antenna subset diversity with non-ideal channel estimation
In modern wireless systems employing diversity techniques, combining all the available diversity branches may not be feasible due to complexity and resource constraints. To allevia...
Wesley M. Gifford, Moe Z. Win, Marco Chiani
ICDCSW
2005
IEEE
15 years 8 months ago
Capacity Estimation of Non-Synchronous Covert Channels
Capacity estimation is an important part of covert channel analysis. It measures the severity of a covert channel by estimating the maximum information rate attainable over it. Tr...
Zhenghong Wang, Ruby B. Lee
133
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COLT
1997
Springer
15 years 6 months ago
Estimation of Time-Varying Parameters in Statistical Models: An Optimization Approach
Abstract. We propose a convex optimization approach to solving the nonparametric regression estimation problem when the underlying regression function is Lipschitz continuous. This...
Dimitris Bertsimas, David Gamarnik, John N. Tsitsi...
120
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ICASSP
2008
IEEE
15 years 9 months ago
Distributed Kalman filtering based on quantized innovations
We consider state estimation of a Markov stochastic process using an ad hoc wireless sensor network (WSN) based on noisy linear observations. Due to power and bandwidth constraint...
Eric J. Msechu, Alejandro Ribeiro, Stergios I. Rou...