325 search results - page 40 / 65 » Group Nearest Neighbor Queries |
GIS
2007
ACM
14 years 11 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 ...
ICMCS
1999
IEEE
14 years 2 months ago
1999
IEEE
In this paper, we propose an original indexing by shape of image databases based on extended grid files. We first introduce a recently developed shape description method and tailo...
GEOINFORMATICA
2006
13 years 9 months ago
2006
Existing estimation approaches for spatial databases often rely on the assumption that data distribution in a small region is uniform, which seldom holds in practice. Moreover, the...
GEOINFORMATICA
2006
13 years 9 months ago
2006
Peer-to-Peer (P2P) systems are known to provide excellent scalability in a networked environment. One peer is introduced to the system by each participant. However current P2P app...
VR
2008
IEEE
14 years 4 months ago
2008
IEEE
We have developed techniques called Mobile Group Dynamics (MGDs), which help groups of people to work together while they travel around large-scale virtual environments. MGDs expl...