34 search results - page 3 / 7 » Privacy preserving group nearest neighbor queries |
ICAPR
2009
Springer
14 years 4 days ago
2009
Springer
In this paper, we propose a novel method for fast nearest neighbors retrieval in non-Euclidean and non-metric spaces. We organize the data into a hierarchical fashion that preserv...
ICDE
2007
IEEE
13 years 12 months ago
2007
IEEE
With the proliferation of mobile devices (e.g., PDAs, cell phones, etc.), location-based services have become more and more popular in recent years. However, users have to reveal ...
ICASSP
2010
IEEE
13 years 5 months ago
2010
IEEE
A new method is introduced that makes use of sparse image representations to search for approximate nearest neighbors (ANN) under the normalized inner-product distance. The approa...
PAMI
2008
13 years 5 months ago
2008
This paper describes BoostMap, a method for efficient nearest neighbor retrieval under computationally expensive distance measures. Database and query objects are embedded into a v...
CVPR
2006
IEEE
14 years 7 months ago
2006
IEEE
We consider visual category recognition in the framework of measuring similarities, or equivalently perceptual distances, to prototype examples of categories. This approach is qui...