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» Genetic algorithms for large join query optimization
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DMDW
2000
161views Management» more  DMDW 2000»
13 years 9 months ago
View materialization for nested GPSJ queries
View materialization is a central issue in logical design of data warehouses since it is one of the most powerful techniques to improve the response to the workload. Most approach...
Matteo Golfarelli, Stefano Rizzi
ICDE
2011
IEEE
207views Database» more  ICDE 2011»
12 years 11 months ago
Monte Carlo query processing of uncertain multidimensional array data
— Array database systems are architected for scientific and engineering applications. In these applications, the value of a cell is often imprecise and uncertain. There are at le...
Tingjian Ge, David Grabiner, Stanley B. Zdonik
WWW
2007
ACM
14 years 8 months ago
Efficient search in large textual collections with redundancy
Current web search engines focus on searching only the most recent snapshot of the web. In some cases, however, it would be desirable to search over collections that include many ...
Jiangong Zhang, Torsten Suel
GECCO
2003
Springer
100views Optimization» more  GECCO 2003»
14 years 29 days ago
Studying the Advantages of a Messy Evolutionary Algorithm for Natural Language Tagging
The process of labeling each word in a sentence with one of its lexical categories (noun, verb, etc) is called tagging and is a key step in parsing and many other language processi...
Lourdes Araujo
ESA
1999
Springer
82views Algorithms» more  ESA 1999»
14 years 1 days ago
Quartet Cleaning: Improved Algorithms and Simulations
A critical step in all quartet methods for constructing evolutionary trees is the inference of the topology for each set of four sequences (i.e. quartet). It is a well–known fact...
Vincent Berry, Tao Jiang, Paul E. Kearney, Ming Li...