148 search results - page 2 / 30 » Distributed Continuous Range Query Processing on Moving Obje... |
JSS
2011
13 years 1 months ago
2011
Location-based services have attracted the attention of important research in the field of mobile computing. Specifically, different mechanisms have been proposed to process loc...
DEXA
2007
Springer
14 years 2 months ago
2007
Springer
The two dominant costs in continuous spatial query systems are the wireless communication cost for location update, and the evaluation cost for query processing. Existing works add...
MOBIDE
2005
ACM
14 years 4 months ago
2005
ACM
This work addresses the problem of efficient maintenance of the (correct) answers to the continuous spatio-temporal range queries in Moving Objects Databases (MOD), which represen...
ICDE
2005
IEEE
15 years 7 days ago
2005
IEEE
Given a region qR and a future timestamp qT, a "range aggregate" query estimates the number of objects expected to appear in qR at time qT. Currently the only methods fo...
MDM
2004
Springer
14 years 4 months ago
2004
Springer
We consider in this paper how to leverage heterogeneous mobile computing capability for efficient processing of real-time range-monitoring queries. In our environment, each mobil...