91 search results - page 3 / 19 » Optimizing Moving Queries over Moving Object Data Streams |
JCST
2010
12 years 11 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...
DASFAA
2009
IEEE
13 years 11 months ago
2009
IEEE
Abstract. Continuous spatial queries retrieve a set of time-varying objects continuously during a given period of time. However, monitoring moving objects to maintain the correctne...
EDBT
2010
ACM
13 years 6 months ago
2010
ACM
The availability of indoor positioning renders it possible to deploy location-based services in indoor spaces. Many such services will benefit from the efficient support for k n...
ICDE
2005
IEEE
13 years 10 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...
GIS
2007
ACM
14 years 6 months ago
2007
ACM
Handling streams of positional updates from numerous moving objects has become a challenging task for many monitoring applications. Several algorithms have been recently proposed ...