ICDE
2006
IEEE
13 years 10 months ago
2006
IEEE
Continuous spatio-temporal queries have recently received increasing attention due to the abundance of location-aware applications. This paper addresses the Continuous Reverse Nea...
W2GIS
2007
Springer
13 years 10 months ago
2007
Springer
In order to provide a streaming service of 3-D spatial objects to the mobile clients on a street, we propose a new query type, called continuous perspective query. The perspective ...
WEA
2010
Springer
13 years 11 months ago
2010
Springer
This paper shows that using some very simple practical assumptions, one can design an algorithm that finds the nearest neighbor of a given query point in O(log n) time in theory ...
ICDE
2006
IEEE
14 years 5 months ago
2006
IEEE
In this paper, we study a new type of spatial query, Nearest Surrounder (NS), which searches the nearest surrounding spatial objects around a query point. NS query can be more use...
ICDE
2007
IEEE
14 years 5 months ago
2007
IEEE
A k-nearest neighbor (k-NN) query retrieves k objects from a database that are considered to be the closest to a given query point. Numerous techniques have been proposed in the p...
ICDE
2009
IEEE
14 years 6 months ago
2009
IEEE
This demonstration program presents the V*-kNN algorithm, an efficient algorithm to process moving k nearest neighbor queries (MkNN). The V*-kNN algorithm is based on a safe-region...
ICDE
2009
IEEE
14 years 6 months ago
2009
IEEE
Given a set of points P and a query point q, the reverse furthest neighbor (RFN) query fetches the set of points p P such that q is their furthest neighbor among all points in P {...