1091 search results - page 25 / 219 » Approximation in Databases |
SISAP
2009
IEEE
14 years 3 months ago
2009
IEEE
—Metric space searching is an emerging technique to address the problem of efficient similarity searching in many applications, including multimedia databases and other reposito...
SIGMOD
2002
ACM
14 years 8 months ago
2002
ACM
Recently several important relational database tasks such as index selection, histogram tuning, approximate query processing, and statistics selection have recognized the importan...
DEXA
2008
Springer
13 years 10 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...
ICDE
2007
IEEE
14 years 9 months ago
2007
IEEE
Keyword search is a familiar and potentially effective way to find information of interest that is "locked" inside relational databases. Current work has generally assum...
ICDE
2004
IEEE
14 years 9 months ago
2004
IEEE
Temporal aggregate queries retrieve summarized information about records with time-evolving attributes. Existing approaches have at least one of the following shortcomings: (i) th...