72 search results - page 1 / 15 » Straight-path queries in trajectory data |
ICDT
2007
ACM
13 years 11 months ago
2007
ACM
Moving objects produce trajectories. We describe a data model for trajectories and trajectory samples and an efficient way of modeling uncertainty via beads for trajectory samples....
DEXA
2004
Springer
13 years 10 months ago
2004
Springer
Efficient storage and retrieval of trajectory indexes has become an essential requirement for moving objects databases. The existing 3DR-tree is known to be an effective trajectory...
GIS
2007
ACM
14 years 6 months ago
2007
ACM
The increasingly popular GPS technology and the growing amount of trajectory data it generates create the need for developing applications that efficiently store and query traject...
DASFAA
2009
IEEE
14 years 2 days ago
2009
IEEE
With the continued advancements in location-based services involved infrastructures, large amount of time-based location data are quickly accumulated. Distributed processing techni...
ICDE
2011
IEEE
12 years 8 months ago
2011
IEEE
—In this demonstration paper, we present a powerful distributed framework for finding similar trajectories in a smartphone network, without disclosing the traces of participatin...