325 search results - page 1 / 65 » Group Nearest Neighbor Queries |
GIS
2005
ACM
14 years 8 months ago
2005
ACM
Group nearest neighbor (GNN) queries are a relatively new type of operations in spatial database applications. Different from a traditional kNN query which specifies a single quer...
TKDE
2008
13 years 7 months ago
2008
The importance of query processing over uncertain data has recently arisen due to its wide usage in many real-world applications. In the context of uncertain databases, previous wo...
EDBT
2010
ACM
14 years 16 days ago
2010
ACM
User privacy in location-based services has attracted great interest in the research community. We introduce a novel framework based on a decentralized architecture for privacy pr...
ICDE
2004
IEEE
14 years 8 months ago
2004
IEEE
Given two sets of points P and Q, a group nearest neighbor (GNN) query retrieves the point(s) of P with the smallest sum of distances to all points in Q. Consider, for instance, t...
IDEAS
2002
IEEE
14 years 11 days ago
2002
IEEE