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114
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CCGRID
2008
IEEE
15 years 10 months ago
A Stochastic Programming Approach for QoS-Aware Service Composition
—We formulate the service composition problem as a multi-objective stochastic program which simultaneously optimizes the following quality of service (QoS) parameters: workflow ...
Wolfram Wiesemann, Ronald Hochreiter, Daniel Kuhn
123
Voted
CDC
2008
IEEE
197views Control Systems» more  CDC 2008»
15 years 10 months ago
Dynamic spectrum access policies for cognitive radio
—We study the problem of dynamic spectrum sensing and access in cognitive radio systems as a partially observed Markov decision process (POMDP). A group of cognitive users cooper...
Jayakrishnan Unnikrishnan, Venugopal V. Veeravalli
138
Voted
CDC
2008
IEEE
145views Control Systems» more  CDC 2008»
15 years 10 months ago
Parameter estimation with expected and residual-at-risk criteria
In this paper we study a class of uncertain linear estimation problems in which the data are affected by random uncertainty. In this setting, we consider two estimation criteria,...
Giuseppe Carlo Calafiore, Ufuk Topcu, Laurent El G...
125
Voted
ICASSP
2008
IEEE
15 years 10 months ago
Finding needles in noisy haystacks
The theory of compressed sensing shows that samples in the form of random projections are optimal for recovering sparse signals in high-dimensional spaces (i.e., finding needles ...
Rui M. Castro, Jarvis Haupt, Robert Nowak, Gil M. ...
162
Voted
ICDCS
2008
IEEE
15 years 10 months ago
Towards Multi-Site Collaboration in 3D Tele-Immersive Environments
3D tele-immersion (3DTI) has recently emerged as a new way of video-mediated collaboration across the Internet. Unlike conventional 2D video-conferencing systems, it can immerse r...
Wanmin Wu, Zhenyu Yang, Indranil Gupta, Klara Nahr...