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» Parallelizing query optimization
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LATIN
2010
Springer
14 years 4 months ago
Optimal Succinctness for Range Minimum Queries
For a static array A of n totally ordered objects, a range minimum query asks for the position of the minimum between two specified array indices. We show how to preprocess A into...
Johannes Fischer
KRDB
2003
142views Database» more  KRDB 2003»
13 years 11 months ago
Optimizing Query Answering in Description Logics using Disjunctive Deductive Databases
Motivated by the possibilities of applying deductive database technology for efficient query answering in description logics, we present a translation operator µ that transforms...
Boris Motik, Raphael Volz
IPPS
2005
IEEE
14 years 3 months ago
Optimal Mapping of a Parallel Application Processes onto Heterogeneous Platform
The paper is devoted to analysis of a strategy of computation distribution on heterogeneous parallel systems. According to this strategy processes of parallel program are distribu...
Alexey Kalinov, Sergey Klimov
QUESTA
2008
73views more  QUESTA 2008»
13 years 9 months ago
Optimal control of parallel server systems with many servers in heavy traffic
We consider a parallel server system that consists of several customer classes and server pools in parallel. We propose a simple robust control policy to minimize the total linear...
J. G. Dai, Tolga Tezcan
ICDE
2007
IEEE
107views Database» more  ICDE 2007»
14 years 11 months ago
Robust Heuristics for Scalable Optimization of Complex SQL Queries
Gopal Chandra Das, Jayant R. Haritsa