105 search results - page 15 / 21 » Probabilistic ranked queries in uncertain databases |
MDM
2004
Springer
15 years 3 months ago
2004
Springer
In this paper, we consider a data model for uncertain trajectories of moving objects. In our model, the trajectory is a vector of uniform stochastic processes. We study “univers...
121
click to vote
EDBT
2009
ACM
15 years 26 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...
DEXAW
2007
IEEE
15 years 4 months ago
2007
IEEE
Data integration approaches mostly attempt to resolve semantic uncertainty and conflicts between data sources during the data integration process. In some application areas, this...
EDBT
1998
ACM
15 years 1 months ago
1998
ACM
Abstract. HySpirit is a retrieval engine for hypermedia retrieval integrating concepts from information retrieval (IR) and deductive databases. The logical view on IR models retrie...
194
click to vote
ICDE
2007
IEEE
15 years 11 months ago
2007
IEEE
The ability to store and query uncertain information is of great benefit to databases that infer values from a set of observations, including databases of moving objects, sensor r...