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» Optimizing Write Performance for Read Optimized Databases
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SIGMOD
2008
ACM
138views Database» more  SIGMOD 2008»
13 years 7 months ago
Configuration-parametric query optimization for physical design tuning
Automated physical design tuning for database systems has recently become an active area of research and development. Existing tuning tools explore the space of feasible solutions...
Nicolas Bruno, Rimma V. Nehme
SIGMOD
1996
ACM
132views Database» more  SIGMOD 1996»
13 years 12 months ago
Cost-Based Optimization for Magic: Algebra and Implementation
Magic sets rewriting is a well-known optimization heuristic for complex decision-support queries. There can be many variants of this rewriting even for a single query, which diffe...
Praveen Seshadri, Joseph M. Hellerstein, Hamid Pir...
ICDE
1998
IEEE
153views Database» more  ICDE 1998»
14 years 9 months ago
Flattening an Object Algebra to Provide Performance
Algebraic transformation and optimization techniques have been the method of choice in relational query execution, but applying them in OODBMS is difficult due to the complexity o...
Peter A. Boncz, Annita N. Wilschut, Martin L. Kers...
PODS
2007
ACM
151views Database» more  PODS 2007»
14 years 7 months ago
Optimization of continuous queries with shared expensive filters
We consider the problem of optimizing and executing multiple continuous queries, where each query is a conjunction of filters and each filter may occur in multiple queries. When f...
Kamesh Munagala, Utkarsh Srivastava, Jennifer Wido...
GECCO
2008
Springer
232views Optimization» more  GECCO 2008»
13 years 8 months ago
An efficient SVM-GA feature selection model for large healthcare databases
This paper presents an efficient hybrid feature selection model based on Support Vector Machine (SVM) and Genetic Algorithm (GA) for large healthcare databases. Even though SVM an...
Rick Chow, Wei Zhong, Michael Blackmon, Richard St...