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» A Genetic Algorithm for Database Query Optimization
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BTW
2007
Springer
164views Database» more  BTW 2007»
14 years 3 months ago
Integrating Structural Joins into a Tuple-Based XPath Algebra
: Over the recent years, very little effort has been made to give XPath a proper algebraic treatment. The only laudable exception is the Natix Algebra (NAL) which defines the tran...
Christian Mathis
VLDB
2002
ACM
108views Database» more  VLDB 2002»
13 years 8 months ago
Adaptive Index Structures
Traditional indexes aim at optimizing the node accesses during query processing, which, however, does not necessarily minimize the total cost due to the possibly large number of r...
Yufei Tao, Dimitris Papadias
ICDE
2008
IEEE
204views Database» more  ICDE 2008»
14 years 3 months ago
Parallel Distributed Processing of Constrained Skyline Queries by Filtering
— Skyline queries are capable of retrieving interesting points from a large data set according to multiple criteria. Most work on skyline queries so far has assumed a centralized...
Bin Cui, Hua Lu, Quanqing Xu, Lijiang Chen, Yafei ...
EDBT
2006
ACM
255views Database» more  EDBT 2006»
14 years 9 months ago
FIS-by-Step: Visualization of the Fast Index Scan for Nearest Neighbor Queries
Abstract. Many different index structures have been proposed for spatial databases to support efficient query processing. However, most of these index structures suffer from an exp...
Elke Achtert, Dominik Schwald
ICDE
2000
IEEE
125views Database» more  ICDE 2000»
14 years 10 months ago
An Algebraic Compression Framework for Query Results
Decision-support applications in emerging environments require that SQL query results or intermediate results be shipped to clients for further analysis and presentation. These cl...
Zhiyuan Chen, Praveen Seshadri