129 search results - page 22 / 26 » Achieving Efficient Query Privacy for Location Based Service... |
CVPR
2007
IEEE
14 years 10 months ago
2007
IEEE
Linear and affine subspaces are commonly used to describe appearance of objects under different lighting, viewpoint, articulation, and identity. A natural problem arising from the...
GIS
2006
ACM
14 years 9 months ago
2006
ACM
If you were told that some object A was perfectly (or somewhat, or not at all) in some direction (e.g., west, above-right) of some reference object B, where in space would you loo...
CCS
2008
ACM
13 years 10 months ago
2008
ACM
In extraordinary situations, certain individuals may require access to information for which they are not normally authorized. For example, to facilitate rescue of people trapped ...
ATAL
2008
Springer
13 years 10 months ago
2008
Springer
We present mechanisms, architectures, and an implementation addressing challenges with mobile opportunistic commerce centering on markets and mechanisms that support the procureme...
DAC
2006
ACM
14 years 9 months ago
2006
ACM
This article outlines several projects aimed at generating electrical energy by passively tapping a variety of human body sources and activities. After summarizing different energ...