55 search results - page 2 / 11 » Threshold query optimization for uncertain data |
VLDB
2011
ACM
12 years 11 months ago
2011
ACM
Uncertain data is inherent in a few important applications such as environmental surveillance and mobile object tracking. Top-k queries (also known as ranking queries) are often n...
EDBT
2009
ACM
13 years 8 months ago
2009
ACM
In emerging applications such as location-based services, sensor monitoring and biological management systems, the values of the database items are naturally imprecise. For these ...
VLDB
2004
ACM
13 years 10 months ago
2004
ACM
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...
TKDE
2010
13 years 3 months ago
2010
—Uncertain data is inherent in various important applications and reverse nearest neighbor (RNN) query is an important query type for many applications. While many different type...