GIS
2003
ACM
14 years 5 months ago
2003
ACM
With wireless communications and geo-positioning being widely available, it becomes possible to offer new e-services that provide mobile users with information about other mobile ...
GIS
2009
ACM
14 years 5 months ago
2009
ACM
With the recent advancements and wide usage of location detection devices, large quantities of data are collected by GPS and cellular technologies in the form of trajectories. Whi...
ICDE
2003
IEEE
14 years 5 months ago
2003
IEEE
In order to publish a nested XML document from flat relational data, multiple SQL queries are often needed. The efficiency of publishing relies on how fast these queries can be ev...