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HPCC
2005
Springer
15 years 12 months ago
Distributed Query Optimization in the Stack-Based Approach
Abstract. We consider query execution strategies for object-oriented distributed databases. There are several scenarios of query decomposition, assuming that the corresponding quer...
Hanna Kozankiewicz, Krzysztof Stencel, Kazimierz S...
CIKM
2010
Springer
15 years 4 months ago
A unified optimization framework for robust pseudo-relevance feedback algorithms
We present a flexible new optimization framework for finding effective, reliable pseudo-relevance feedback models that unifies existing complementary approaches in a principled wa...
Joshua V. Dillon, Kevyn Collins-Thompson
ICML
2007
IEEE
16 years 7 months ago
Percentile optimization in uncertain Markov decision processes with application to efficient exploration
Markov decision processes are an effective tool in modeling decision-making in uncertain dynamic environments. Since the parameters of these models are typically estimated from da...
Erick Delage, Shie Mannor
ICC
2007
IEEE
16 years 23 days ago
Optimizing Zero-Forcing Based Gain Allocation for Wireless Multiuser Networks
— We consider a wireless multiuser network where a number of source/destination pairs communicate concurrently over the same physical channel. A set of amplify-and-forward relay ...
Celal Esli, Stefan Berger, Armin Wittneben
ICDE
1991
IEEE
133views Database» more  ICDE 1991»
15 years 10 months ago
Read Optimized File System Designs: A Performance Evaluation
This paper presents a performance comparison of several file system allocation policies. The file systems are designed to provide high bandwidth between disks and main memory by...
Margo I. Seltzer, Michael Stonebraker