575 search results - page 95 / 115 » A Spectral Approach to Lower Bounds |
NETWORKING
2011
12 years 10 months ago
2011
Abstract. Sensing mechanisms that estimate the occupancy of wireless spectrum are crucial to the success of approaches based on Dynamic Spectrum Access. In this paper, we present k...
ICCV
2009
IEEE
15 years 12 days ago
2009
IEEE
We study the problem of estimating the epipolar geometry
from apparent contours of smooth curved surfaces
with affine camera models. Since apparent contours are
viewpoint depend...
GIS
2007
ACM
14 years 8 months ago
2007
ACM
In this paper, we present an original network graph embedding to speed-up distance-range and k-nearest neighbor queries in (weighted) graphs. Our approach implements the paradigm ...
ALT
2008
Springer
14 years 4 months ago
2008
Springer
In this paper we consider the problem of learning hidden independent cascade social networks using exact value injection queries. These queries involve activating and suppressing a...
GLOBECOM
2009
IEEE
14 years 2 months ago
2009
IEEE
Abstract—Wireless sensor networks (WSNs) are usually missioned to gather critical information in hostile and adversarial environments, which make them susceptible to compromise a...