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SIGMOD
1992
ACM
160views Database» more  SIGMOD 1992»
15 years 11 months ago
Extensible/Rule Based Query Rewrite Optimization in Starburst
This paper describes the Query Rewrite facility of the Starburst extensible database system, a novel phase of query optimization. We present a suite of rewrite rules used in Starb...
Hamid Pirahesh, Joseph M. Hellerstein, Waqar Hasan
ISCA
1990
IEEE
68views Hardware» more  ISCA 1990»
15 years 11 months ago
Maximizing Performance in a Striped Disk Array
Improvements in disk speeds have not kept up with improvements in processor and memory speeds. One way to correct the resulting speed mismatch is to stripe data across many disks. ...
Peter M. Chen, David A. Patterson
CDC
2009
IEEE
156views Control Systems» more  CDC 2009»
15 years 11 months ago
Input design using Markov chains for system identification
This paper studies the input design problem for system identification where time domain constraints have to be considered. A finite Markov chain is used to model the input of the s...
Chiara Brighenti, Bo Wahlberg, Cristian R. Rojas
LION
2010
Springer
239views Optimization» more  LION 2010»
15 years 11 months ago
The EvA2 Optimization Framework
Abstract. We present EvA2, a comprehensive metaheuristic optimization framework with emphasis on Evolutionary Algorithms. It presents a modular structure of interfaces and abstract...
Marcel Kronfeld, Hannes Planatscher, Andreas Zell
ADBIS
2007
Springer
126views Database» more  ADBIS 2007»
15 years 11 months ago
Optimal Query Mapping in Mobile OLAP
Query mapping to aggregation lattices is used in order to exploit sub-cube dependencies in multidimensional databases. It is employed in mobile OLAP dissemination systems, in order...
Ilias Michalarias, Hans-Joachim Lenz