1430 search results - page 16 / 286 » Query operations for moving objects database systems |
EDBT
2009
ACM
14 years 2 months ago
2009
ACM
This paper introduces the problem of modeling urban transportation systems in a database where certain aspects of the data are probabilistic in nature. The transportation network ...
SIGMOD
2003
ACM
14 years 7 months ago
2003
ACM
Modern database systems provide not only powerful data models but also complex query languages supporting powerful features such as the ability to create new database objects and ...
ICDE
2005
IEEE
14 years 1 months ago
2005
IEEE
Many location-based applications require constant monitoring of k-nearest neighbor (k-NN) queries over moving objects within a geographic area. Existing approaches to this problem...
DEXA
2004
Springer
14 years 29 days ago
2004
Springer
We present a framework for representing the trajectories of moving objects and the time-varying results of operations on moving objects. This framework supports the realization of ...
ICIAR
2007
Springer
13 years 11 months ago
2007
Springer
This paper presents a novel surveillance video indexing and retrieval system based on object features similarity measurement. The system firstly extracts moving objects from the vi...