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» Optimization strategies for complex queries
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VLDB
1997
ACM
140views Database» more  VLDB 1997»
14 years 2 months ago
Parallel Query Scheduling and Optimization with Time- and Space-Shared Resources
Scheduling query execution plans is a particularly complex problem in hierarchical parallel systems, where each site consists of a collection of local time-shared (e.g., CPU(s) or...
Minos N. Garofalakis, Yannis E. Ioannidis
ICRA
2006
IEEE
93views Robotics» more  ICRA 2006»
14 years 4 months ago
A SVM-based Method for Engine Maintenance Strategy Optimization
— Due to the abundant application background, the optimization of maintenance problem has been extensively studied in the past decades. Besides the well-known difficulty of larg...
Qing-Shan Jia, Qianchuan Zhao
IPPS
2005
IEEE
14 years 4 months ago
A Cellular Multi-Objective Genetic Algorithm for Optimal Broadcasting Strategy in Metropolitan MANETs
Mobile Ad-hoc Networks (MANETs) are composed of a set of communicating devices which are able to spontaneously interconnect without any pre-existing infrastructure. In such scenar...
Enrique Alba, Bernabé Dorronsoro, Francisco...
LCPC
2004
Springer
14 years 3 months ago
Branch Strategies to Optimize Decision Trees for Wide-Issue Architectures
Abstract. Branch predictors are associated with critical design issues for nowadays instruction greedy processors. We study two important domains where the optimization of decision...
Patrick Carribault, Christophe Lemuet, Jean-Thomas...
VLDB
1995
ACM
132views Database» more  VLDB 1995»
14 years 1 months ago
Coloring Away Communication in Parallel Query Optimization
We address the problem of finding parallel plans for SQL queries using the two-phase approach of join ordering and query rewrite (JOQR) followed by parallelization. We focus on t...
Waqar Hasan, Rajeev Motwani