41 search results - page 6 / 9 » Nearest Neighbor Search with Strong Location Privacy |
ICDE
2007
IEEE
14 years 1 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 ...
CVPR
2007
IEEE
14 years 9 months ago
2007
IEEE
Matching local features across images is often useful when comparing or recognizing objects or scenes, and efficient techniques for obtaining image-to-image correspondences have b...
COMPGEOM
2005
ACM
13 years 9 months ago
2005
ACM
We present a new multi-dimensional data structure, which we call the skip quadtree (for point data in R2) or the skip octree (for point data in Rd, with constant d > 2). Our da...
ICDE
2006
IEEE
14 years 8 months ago
2006
IEEE
A system that enables real time query processing on large spatial networks is demonstrated. The system provides functionality for processing a wide range of spatial queries such a...
ICDE
2008
IEEE
14 years 8 months ago
2008
IEEE
Many applications require finding objects closest to a specified location that contains a set of keywords. For example, online yellow pages allow users to specify an address and a ...