96 search results - page 7 / 20 » Selectivity estimation for spatio-temporal queries to moving... |
JCST
2010
13 years 2 months ago
2010
Abstract The significant overhead related to frequent location updates from moving objects often results in poor performance. As most of the location updates do not affect the quer...
GIS
2007
ACM
14 years 8 months ago
2007
ACM
Continuous spatial queries posted within an environment of moving objects produce as their results a time-varying set of objects. In the most ambitious case both queries and data ...
CIKM
2006
Springer
13 years 11 months ago
2006
Springer
We present a hierarchical tree structure for online maintenance of time-decaying synopses over streaming data. We exemplify such an amnesic behavior over streams of locations take...
ICDE
2008
IEEE
14 years 8 months ago
2008
IEEE
Existing prediction methods in moving objects databases cannot forecast locations accurately if the query time is far away from the current time. Even for near future prediction, m...
PAMI
2008
13 years 7 months ago
2008
Abstract-- We present a novel approach for multi-object tracking which considers object detection and spacetime trajectory estimation as a coupled optimization problem. Our approac...