31 search results - page 1 / 7 » Hierarchically compressed wavelet synopses |
VLDB
2009
ACM
14 years 5 months ago
2009
ACM
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 ...
SSDBM
2003
IEEE
13 years 10 months ago
2003
IEEE
In many application contexts, like statistical databases, scientific databases, query optimizers, OLAP, and so on, data are often summarized into synopses of aggregate values. Su...
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...
CORR
2006
Springer
13 years 4 months ago
2006
Springer
While there is a very long tradition of approximating a data array by projecting row or column vectors into a lower dimensional subspace the direct approximation of a data matrix ...