199 search results - page 1 / 40 » Join queries on uncertain data: Semantics and efficient proc... |
ICDE
2011
IEEE
12 years 8 months ago
2011
IEEE
— Uncertain data is quite common nowadays in a variety of modern database applications. At the same time, the join operation is one of the most important but expensive operations...
CIKM
2006
Springer
13 years 8 months ago
2006
Springer
In an uncertain database, each data item is modeled as a range associated with a probability density function. Previous works for this kind of data have focussed on simple queries...
ICDE
2008
IEEE
14 years 6 months ago
2008
IEEE
on Uncertain Data (Extended Abstract) Ming Hua Jian Pei Wenjie Zhang Xuemin Lin Simon Fraser University, Canada The University of New South Wales & NICTA {mhua, jpei}@cs.sfu.c...
ICDE
2010
IEEE
14 years 4 months ago
2010
IEEE
Uncertain data are inherent in many applications such as environmental surveillance and quantitative economics research. As an important problem in many applications, KNN query has...
ICDE
2007
IEEE
14 years 6 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...