320 search results - page 7 / 64 » A Theory of Spatio-Temporal Database Queries |
SIGMOD
2005
ACM
14 years 1 months ago
2005
ACM
In this paper, we propose new graph-based data structure and indexing to organize and retrieve video data. Several researches have shown that a graph can be a better candidate for...
GIS
2009
ACM
14 years 8 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...
MDM
2007
Springer
14 years 1 months ago
2007
Springer
This work tackles the problem of answer-aggregation for continuous spatio-temporal range queries in distributed settings. We assume a grid-like coverage of the spatial universe of...
ICDE
2005
IEEE
14 years 8 months ago
2005
IEEE
Moving objects databases managing spatial objects with continuously changing position and extent over time have recently found large interest in the database community. Queries ab...
ICMCS
1995
IEEE
13 years 11 months ago
1995
IEEE
This paper presents a framework for data modeling ntic abstraction of image/video data. The framework is based on spatio-temporalinformation associated with salient objects in an ...