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SIGMOD
1998
ACM
96views Database» more  SIGMOD 1998»
15 years 7 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
PPOPP
1997
ACM
15 years 7 months ago
Performance Implications of Communication Mechanisms in All-Software Global Address Space Systems
Global addressing of shared data simplifies parallel programming and complements message passing models commonly found in distributed memory machines. A number of programming sys...
Beng-Hong Lim, Chi-Chao Chang, Grzegorz Czajkowski...
165
Voted
ICS
1993
Tsinghua U.
15 years 7 months ago
Graph Contraction for Physical Optimization Methods: A Quality-Cost Tradeoff for Mapping Data on Parallel Computers
Mapping data to parallel computers aims at minimizing the execution time of the associated application. However, it can take an unacceptable amount of time in comparison with the ...
Nashat Mansour, Ravi Ponnusamy, Alok N. Choudhary,...
ICDCS
2010
IEEE
15 years 7 months ago
Guaranteeing BGP Stability with a Few Extra Paths
Abstract—Policy autonomy exercised by Autonomous Systems (ASes) on the Internet can result in persistent oscillations in Border Gateway Protocol, the Internet’s inter-domain ro...
Rachit Agarwal, Virajith Jalaparti, Matthew Caesar...
154
Voted
ICDCS
2010
IEEE
15 years 7 months ago
Stochastic Steepest-Descent Optimization of Multiple-Objective Mobile Sensor Coverage
—We propose a steepest descent method to compute optimal control parameters for balancing between multiple performance objectives in stateless stochastic scheduling, wherein the ...
Chris Y. T. Ma, David K. Y. Yau, Nung Kwan Yip, Na...
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