116 search results - page 5 / 24 » Database querying under changing preferences |
DEXAW
1999
IEEE
13 years 10 months ago
1999
IEEE
In the environment of wide-area networks such as the Internet, distributed query processing becomes problematic due to the changing coming from both underlying networks and user&#...
WIDM
2003
ACM
13 years 11 months ago
2003
ACM
A growing number of databases especially those published on the Web are becoming available to external users. Users of these databases are provided simple form-based query interfa...
MMSP
2008
IEEE
14 years 20 days ago
2008
IEEE
—Illumination distortion due to uncontrolled lighting can severely degrade the color appearance of a photo. Frequently, the desired colors for objects in a newly taken query imag...
ICDE
2007
IEEE
14 years 7 months ago
2007
IEEE
Top-k processing in uncertain databases is semantically and computationally different from traditional top-k processing. The interplay between score and uncertainty makes traditio...
ICDE
2002
IEEE
14 years 7 months ago
2002
IEEE
We study the problem of query optimization in federated relational database systems. The nature of federated databases explicitly decouples many aspects of the optimization proces...