294 search results - page 2 / 59 » Approximate query processing using wavelets |
JCP
2007
13 years 4 months ago
2007
Abstract— Data synopsis is a lossy compressed representation of data stored into databases that helps the query optimizer to speed up the query process, e.g. time to retrieve the...
CIKM
2006
Springer
13 years 8 months ago
2006
Springer
The ability to retrieve molecules based on structural similarity has use in many applications, from disease diagnosis and treatment to drug discovery and design. In this paper, we...
DCC
2007
IEEE
14 years 4 months ago
2007
IEEE
Data synopsis is a lossy compressed representation of data stored into databases that helps the query optimizer to speed up the query process, e.g. time to retrieve the data from ...
ICIP
2003
IEEE
14 years 6 months ago
2003
IEEE
This paper proposes a new method of designing finitesupport wavelet filters, based on minimization of energy in key parts of the frequency domain. In particular this technique is ...
DEXA
2008
Springer
13 years 6 months ago
2008
Springer
In this research, we propose to use the discrete cosine transform to approximate the cumulative distributions of data cube cells' values. The cosine transform is known to have...