487 search results - page 7 / 98 » Optimal sampling algorithms for frequency estimation in dist... |
BTW
2007
Springer
14 years 2 months ago
2007
Springer
: Statistics that accurately describe the distribution of data values in the columns of relational tables are essential for effective query optimization in a database management sy...
JACM
2012
11 years 11 months ago
2012
A fundamental problem in data management is to draw and maintain a sample of a large data set, for approximate query answering, selectivity estimation, and query planning. With la...
ICASSP
2008
IEEE
14 years 3 months ago
2008
IEEE
We address the design and optimization of an energy-efficient lifting-based 2D transform for wireless sensor networks with irregular spatial sampling. The 2D transform is designe...
PATMOS
2004
Springer
14 years 1 months ago
2004
Springer
We present SoftExplorer, a tool to estimate and analyze the power and energy consumption of an algorithm from the C program. The consumption of every loop is analyzed, and the in...
ICDE
2009
IEEE
14 years 3 months ago
2009
IEEE
—Sampling is used as a universal method to reduce the running time of computations – the computation is performed on a much smaller sample and then the result is scaled to comp...