325 search results - page 11 / 65 » Group Nearest Neighbor Queries |
ICDE
2000
IEEE
14 years 11 months ago
2000
IEEE
In high-dimensional and complex metric spaces, determining the nearest neighbor (NN) of a query object ? can be a very expensive task, because of the poor partitioning operated by...
ADBIS
2009
Springer
14 years 4 months ago
2009
Springer
The development of location-based services and advances in the field of mobile computing have motivated an intensive research effort devoted to the efficient processing of locati...
EDBT
2006
ACM
14 years 10 months ago
2006
ACM
Abstract. Many different index structures have been proposed for spatial databases to support efficient query processing. However, most of these index structures suffer from an exp...
COCOON
1998
Springer
14 years 2 months ago
1998
Springer
Abstract. In this paper we present the new data structure Colored Sector Search Tree (CSST ) for solving the Nearest-Foreign-Neighbor Query Problem (NFNQP ): Given a set S of n col...
SSD
2007
Springer
2007
Springer
Blind Evaluation of Nearest Neighbor Queries Using Space Transformation to Preserve Location Privacy
14 years 4 months ago
In this paper we propose a fundamental approach to perform the class of Nearest Neighbor (NN) queries, the core class of queries used in many of the location-based services, withou...