402 search results - page 18 / 81 » Nearest Surrounder Queries |
113
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SPIRE
2005
Springer
15 years 3 months ago
2005
Springer
Proximity searching consists in retrieving from a database, objects that are close to a query. For this type of searching problem, the most general model is the metric space, where...
139
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CORR
1999
Springer
14 years 9 months ago
1999
Springer
Abstract. Nearest neighbor searching is a fundamental computational problem. A set of n data points is given in real d-dimensional space, and the problem is to preprocess these poi...
GIS
2009
ACM
15 years 4 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...
ESORICS
2009
Springer
15 years 4 months ago
2009
Springer
For nearest neighbor search, a user queries a server for nearby points of interest (POIs) with his/her location information. Our aim is to protect the user’s sensitive informatio...
FOCS
2006
IEEE
15 years 3 months ago
2006
IEEE
We present an algorithm for the c-approximate nearest neighbor problem in a d-dimensional Euclidean space, achieving query time of O(dn1/c2 +o(1) ) and space O(dn + n1+1/c2 +o(1) ...