73 search results - page 9 / 15 » Spatial Range Querying for Gaussian-Based Imprecise Query Ob... |
GIS
2008
ACM
14 years 7 months ago
2008
ACM
We report on our experience from design and implementation of a powerful map application for managing, querying and visualizing evolving locations of moving objects. Instead of bu...
VLDB
2005
ACM
14 years 5 days ago
2005
ACM
In an “uncertain database”, an object o is associated with a multi-dimensional probability density function (pdf), which describes the likelihood that o appears at each positi...
DBA
2004
13 years 8 months ago
2004
In order to guarantee efficient query processing together with industrial strength, spatial index structures have to be integrated into fully-fledged object-relational database ma...
EDBT
2010
ACM
14 years 1 months ago
2010
ACM
The wide adaptation of GPS and cellular technologies has created many applications that collect and maintain large repositories of data in the form of trajectories. Previous work ...
MDM
2007
Springer
14 years 25 days ago
2007
Springer
Several window constructs are usually specified in continuous queries over data streams as a means of limiting the amount of data processed each time and thus providing real-time...