30 search results - page 2 / 6 » Querying trajectories using flexible patterns |
SAC
2008
ACM
13 years 3 months ago
2008
ACM
We address aggregate queries over GIS data and moving object data, where non-spatial information is stored in a data warehouse. We propose a formal data model and query language t...
ICPR
2008
IEEE
14 years 5 months ago
2008
IEEE
This paper presents an adaptive framework for live video analysis. The activities of surveillance subjects are described using a spatio-temporal vocabulary learned from recurrent ...
JCST
2007
13 years 4 months ago
2007
Abstract Advances in wireless sensor networks and positioning technologies enable new applications monitoring moving objects. Some of these applications, such as traffic managemen...
CSB
2005
IEEE
13 years 10 months ago
2005
IEEE
With the rapid growth of biomedical research databases, opportunities for scientific inquiry have expanded quickly and led to a demand for computational methods that can extract b...
APWEB
2008
Springer
13 years 6 months ago
2008
Springer
Techniques for being able to automatically identify acronym patterns are very important for enhancing a multitude of applications that rely upon search. This task is challenging, d...