708 search results - page 27 / 142 » A Genetic Algorithm for Database Query Optimization |
IDEAS
2002
IEEE
15 years 2 months ago
2002
IEEE
Boolean expression simplification is a well-known problem in the history of Computer Science. The problem of determining prime implicates from an arbitrary Boolean expression has...
112
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CIDR
2011
14 years 1 months ago
2011
This paper argues that next generation database management systems should incorporate a predictive model management component to effectively support both inward-facing application...
84
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COOPIS
2004
IEEE
15 years 1 months ago
2004
IEEE
Abstract. We consider the use of a cluster system for managing autonomous databases. In order to improve the performance of read-only queries, we strive to exploit user requirement...
102
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CIKM
2005
Springer
15 years 3 months ago
2005
Springer
Modern query optimizers select an efficient join ordering for a physical execution plan based essentially on the average join selectivity factors among the referenced tables. In ...
VLDB
1997
ACM
15 years 1 months ago
1997
ACM
Selecting views to materialize is one of the most important decisions in designing a data warehouse. In this paper, we present a framework for analyzing the issues in selecting vi...