101 search results - page 12 / 21 » Probabilistic Spatial Queries on Existentially Uncertain Dat... |
ICDE
2009
IEEE
14 years 9 months ago
2009
IEEE
Large databases with uncertain information are becoming more common in many applications including data integration, location tracking, and Web search. In these applications, ranki...
SIGMOD
2008
ACM
14 years 7 months ago
2008
ACM
Computing statistical information on probabilistic data has attracted a lot of attention recently, as the data generated from a wide range of data sources are inherently fuzzy or ...
DEXAW
2007
IEEE
14 years 2 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...
PODS
1993
ACM
13 years 11 months ago
1993
ACM
In this paper, we motivate four di erent user de ned window query classes and derive a probabilistic model for each of them. For each model, we characterize the e ciency of spatia...
SIGMOD
2008
ACM
14 years 7 months ago
2008
ACM
Orion is a state-of-the-art uncertain database management system with built-in support for probabilistic data as first class data types. In contrast to other uncertain databases, ...