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» Optimal Difference Operator Selection
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156
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JDCTA
2010
161views more  JDCTA 2010»
14 years 9 months ago
Selection of Wavelet Decomposition Level in Multi-Scale Sensor Data Fusion of MEMS Gyroscope
Because the characteristic of wavelet transform is multi-resolution, their unique advantage of the data model is multi-scale analysis. Then, it's widely used the Wavelet-base...
Ren Ya-fei, Ke Xi-zheng
FSS
2008
89views more  FSS 2008»
15 years 2 months ago
On the equivalence of some approaches to the OWA operator and RIM quantifier determination
The ordered weighted averaging (OWA) operator is a widely used aggregation method, and its determination is usually a prerequisite step in many related applications. The regular i...
Xinwang Liu, Hongwei Lou
124
Voted
DMDW
2000
161views Management» more  DMDW 2000»
15 years 3 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
212
Voted
SIGMOD
2009
ACM
201views Database» more  SIGMOD 2009»
16 years 2 months ago
Cost based plan selection for xpath
We present a complete XPath cost-based optimization and execution framework and demonstrate its effectiveness and efficiency for a variety of queries and datasets. The framework i...
Haris Georgiadis, Minas Charalambides, Vasilis Vas...
237
Voted
ICDE
2006
IEEE
193views Database» more  ICDE 2006»
16 years 3 months ago
On Pushing Multilingual Query Operators into Relational Engines
To effectively support today's global economy, database systems need to manage data in multiple languages simultaneously. While current database systems do support the storag...
A. Kumaran, Pavan K. Chowdary, Jayant R. Haritsa