90 search results - page 11 / 18 » Continuous obstructed nearest neighbor queries in spatial da... |
GIS
2009
ACM
14 years 2 months ago
2009
ACM
In this paper, we formalize the novel concept of Constrained Reverse k-Nearest Neighbor (CRkNN) search on mobile objects (clients) performed at a central server. The CRkNN query c...
DEXA
2010
Springer
13 years 8 months ago
2010
Springer
The class of k Nearest Neighbor (kNN) queries in spatial networks has been widely studied in the literature. All existing approaches for kNN search in spatial networks assume that ...
ICDE
2007
IEEE
14 years 9 months ago
2007
IEEE
Efficiently processing continuous k-nearest neighbor queries on data streams is important in many application domains, e. g. for network intrusion detection or in querysubscriber ...
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...
EDBT
2009
ACM
14 years 2 months ago
2009
ACM
This work addresses the problem of processing continuous nearest neighbor (NN ) queries for moving objects trajectories when the exact position of a given object at a particular t...