785 search results - page 24 / 157 » Efficient Processing of Top-k Queries in Uncertain Databases |
ISMIS
2000
Springer
14 years 11 days ago
2000
Springer
A top-down query processing method for first order deductive databases under the disjunctive well-founded semantics (DWFS) is presented. The method is based upon a characterisation...
EDBT
2009
ACM
14 years 1 days ago
2009
ACM
Range queries for querying the current and future positions of the moving objects have received growing interests in the research community. Existing methods, however, assume that...
DASFAA
2006
IEEE
14 years 2 months ago
2006
IEEE
An important database primitive for commonly used feature databases is the similarity join. It combines two datasets based on some similarity predicate into one set such that the n...
ICDE
2006
IEEE
14 years 10 months ago
2006
IEEE
In this paper, we propose DBSampler, a query execution mechanism to answer "partial selection" queries in peerto-peer databases. A partial selection query is an arbitrar...
TKDE
2008
13 years 8 months ago
2008
Situational awareness (SA) applications monitor the real world and the entities therein to support tasks such as rapid decision making, reasoning, and analysis. Raw input about unf...