32 search results - page 2 / 7 » Efficiently Answering Probabilistic Threshold Top-k Queries ... |
VLDB
2011
ACM
13 years 9 days 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 ...
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...
SSD
2005
Springer
13 years 11 months ago
2005
Springer
We study the problem of answering spatial queries in databases where objects exist with some uncertainty and they are associated with an existential probability. The goal of a thre...
CIKM
2010
Springer
13 years 4 months ago
2010
Springer
Recently, several research efforts have addressed answering skyline queries efficiently over large datasets. However, this research lacks methods to compute these queries over un...