35 search results - page 2 / 7 » Adaptive Safe Regions for Continuous Spatial Queries over Mo... |
VLDB
2009
ACM
14 years 4 months ago
2009
ACM
In this paper, we study the problem of continuous monitoring of reverse k nearest neighbor queries. Existing continuous reverse nearest neighbor monitoring techniques are sensitive...
SSDBM
2008
IEEE
13 years 11 months ago
2008
IEEE
Abstract. Existing approaches to the management of streaming positional updates generally assume that all active user requests have equal importance, ignoring the possibility of an...
DEXA
2003
Springer
13 years 10 months ago
2003
Springer
Moving-objects databases need a spatio-temporal indexing scheme for moving objects to efficiently process queries over continuously changing locations of the objects. A simple exte...
TKDE
2011
12 years 8 months ago
2011
Given a positive value r, a distance based range query returns the objects that lie within the distance r of the query location.
In this paper, we focus on the distance based rang...
IDEAS
2002
IEEE
13 years 9 months ago
2002
IEEE
Based on the recent progress of digital cartography, global positioning systems (GPSs), and hand-held devices, there are growing needs of technology that provides neighborhood inf...