265 search results - page 20 / 53 » Universal Trajectory Queries for Moving Object Databases |
ADC
2004
Springer
14 years 29 days ago
2004
Springer
Many spatio-temporal applications involve managing and querying moving objects. In such an environment, predictive spatio-temporal queries become an important query class to be pr...
DEXA
2006
Springer
13 years 11 months ago
2006
Springer
Recent work on continuous queries has focused on processing queries in very large, mobile environments. In this paper, we propose a system leveraging the computing capacities of mo...
SSDBM
2003
IEEE
14 years 25 days ago
2003
IEEE
The widespread use of sensor networks presents revolutionary opportunities for life and environmental science applications. Many of these applications involve continuous queries t...
ICDE
2008
IEEE
14 years 9 months ago
2008
IEEE
We introduce a convoy query that retrieves all convoys from historical trajectories, each of which consists of a set of objects that travelled closely during a certain time period....
EDBT
2010
ACM
13 years 9 months ago
2010
ACM
The availability of indoor positioning renders it possible to deploy location-based services in indoor spaces. Many such services will benefit from the efficient support for k n...