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COMSWARE
2008
IEEE
14 years 2 months ago
Community based search on power law networks
—In this paper, we have presented a novel algorithm for searching Peer-to-Peer (P2P) networks which forms power law topology. It is completely decentralized in nature and hence i...
Tathagata Das, Subrata Nandi, Niloy Ganguly
IDEAS
2003
IEEE
171views Database» more  IDEAS 2003»
14 years 25 days ago
Dynamic Data Management for Location Based Services in Mobile Environments
We characterize the dynamic data management problem for location based services(LBS) in mobile environments and devise a cost model for servicing both location independent and loc...
Shiow-yang Wu, Kun-Ta Wu
NIPS
2003
13 years 9 months ago
Discriminative Fields for Modeling Spatial Dependencies in Natural Images
In this paper we present Discriminative Random Fields (DRF), a discriminative framework for the classification of natural image regions by incorporating neighborhood spatial depe...
Sanjiv Kumar, Martial Hebert
JAT
2002
62views more  JAT 2002»
13 years 7 months ago
Coconvex Approximation
Let f C[-1, 1] change its convexity finitely many times, in the interval. We are interested in estimating the degree of approximation of f by polynomials which are coconvex with i...
Dany Leviatan, Igor A. Shevchuk
CORR
2008
Springer
127views Education» more  CORR 2008»
13 years 7 months ago
Universe Detectors for Sybil Defense in Ad Hoc Wireless Networks
The Sybil attack in unknown port networks such as wireless is not considered tractable. A wireless node is not capable of independently differentiating the universe of real nodes f...
Adnan Vora, Mikhail Nesterenko, Sébastien T...