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CVPR
1998
IEEE
14 years 10 months ago
1998
IEEE
We describe a vision system that monitors activity in a site over extended periods of time. The system uses a distributed set of sensors to cover the site, and an adaptive tracker...
WWW
2008
ACM
14 years 9 months ago
2008
ACM
The boom of product review websites, blogs and forums on the web has attracted many research efforts on opinion mining. Recently, there was a growing interest in the finergrained ...
KDD
2005
ACM
14 years 9 months ago
2005
ACM
Web users display their preferences implicitly by navigating through a sequence of pages or by providing numeric ratings to some items. Web usage mining techniques are used to ext...
COMPGEOM
2006
ACM
14 years 2 months ago
2006
ACM
We construct a class of envelope surfaces in Rd , more precisely envelopes of balls. An envelope surface is a closed C1 (tangent continuous) manifold wrapping tightly around the u...
ISAAC
2005
Springer
14 years 2 months ago
2005
Springer
Consider an information network with harmful procedures called attackers (e.g., viruses); each attacker uses a probability distribution to choose a node of the network to damage. O...