250 search results - page 1 / 50 » Aggregation and comparison of trajectories |
GIS
2002
ACM
13 years 5 months ago
2002
ACM
Dealing with moving objects necessitates having available complete geographical traces for determining exact or possible locations that objects have had, have or will have. This i...
ICPR
2008
IEEE
13 years 11 months ago
2008
IEEE
This article introduces new similarity measures between trajectories, in order to detect uncommon behaviors. These measures are used to find the most common trajectories in a seq...
GEOINFO
2007
13 years 6 months ago
2007
In this paper we are interested in storing and perform OLAP queries about various aggregate trajectory properties. We consider a data stream environment where a set of mobile objec...
DEXA
2008
Springer
13 years 7 months ago
2008
Springer
In this paper, we present an OLAP framework for trajectories of moving objects. We introduce a new operator GROUP TRAJECTORIES for group-by operations on trajectories and present ...
SIGMOD
2008
ACM
14 years 5 months ago
2008
ACM
We present HERMES, a prototype system based on a powerful query language for trajectory databases, which enables the support of aggregative Location-Based Services (LBS). The key ...