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» SIMPL: A System for Integrating Optimization Techniques
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VLDB
2000
ACM
120views Database» more  VLDB 2000»
15 years 3 months ago
Integrating the UB-Tree into a Database System Kernel
Multidimensional access methods have shown high potential for significant performance improvements in various application domains. However, only few approaches have made their way...
Frank Ramsak, Volker Markl, Robert Fenk, Martin Zi...
87
Voted
MASCOTS
2003
15 years 1 months ago
An integrated performance model of disk arrays
All enterprise storage systems depend on disk arrays to satisfy their capacity, reliability, and availability requirements. Performance models of disk arrays are useful in underst...
Elizabeth Varki, Arif Merchant, Jianzhang Xu, Xiao...
NIPS
2001
15 years 1 months ago
Variance Reduction Techniques for Gradient Estimates in Reinforcement Learning
Policy gradient methods for reinforcement learning avoid some of the undesirable properties of the value function approaches, such as policy degradation (Baxter and Bartlett, 2001...
Evan Greensmith, Peter L. Bartlett, Jonathan Baxte...
70
Voted
VTC
2006
IEEE
103views Communications» more  VTC 2006»
15 years 5 months ago
Codeword Length Optimization for CPPUWB Systems
— The optimal codeword length that generates the maximum output signal to interference ratio (SIR) for the channel-phase-precoded ultra-wideband (CPPUWB) system proposed in [1] i...
Yu-Hao Chang, Shang-Ho Tsai, Xiaoli Yu, C. C. Jay ...
AMAI
2005
Springer
14 years 11 months ago
A SAT approach to query optimization in mediator systems
Mediator systems integrate distributed, heterogeneous and autonomous data sources, but their e ective use requires the solution of hard query optimization problems. This is usuall...
Steven David Prestwich, Stéphane Bressan