300 search results - page 38 / 60 » Constrained Nearest Neighbor Queries |
EDBT
2004
ACM
14 years 7 months ago
2004
ACM
Despite the existence of obstacles in many database applications, traditional spatial query processing utilizes the Euclidean distance metric assuming that points in space are dire...
ICDE
2005
IEEE
14 years 1 months ago
2005
IEEE
Structured P2P systems in the form of distributed hash tables (DHT) are a promising approach for building massively distributed data management platforms. However, for many applic...
SSD
2005
Springer
14 years 1 months ago
2005
Springer
We study the problem of answering spatial queries in databases where objects exist with some uncertainty and they are associated with an existential probability. The goal of a thre...
GIS
2007
ACM
14 years 8 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 ...
PERVASIVE
2008
Springer
13 years 7 months ago
2008
Springer
In energy constrained wireless sensor networks, energy conservation techniques are to be applied in order to maximize the system lifetime. We tackle the problem of increasing netw...