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ICML
2005
IEEE
14 years 9 months ago
Online learning over graphs
We apply classic online learning techniques similar to the perceptron algorithm to the problem of learning a function defined on a graph. The benefit of our approach includes simp...
Mark Herbster, Massimiliano Pontil, Lisa Wainer
MOBICOM
2004
ACM
14 years 1 months ago
Analyzing the spread of active worms over VANET
Interactive communications among nodes in Vehicular Ad Hoc Networks (VANET) and the safety-oriented nature of many VANET applications necessitate a robust security framework. An a...
Syed A. Khayam, Hayder Radha
CORR
2011
Springer
215views Education» more  CORR 2011»
12 years 12 months ago
Lasserre Hierarchy, Higher Eigenvalues, and Approximation Schemes for Quadratic Integer Programming with PSD Objectives
We present an approximation scheme for optimizing certain Quadratic Integer Programming problems with positive semidefinite objective functions and global linear constraints. Thi...
Venkatesan Guruswami, Ali Kemal Sinop
SMI
2006
IEEE
121views Image Analysis» more  SMI 2006»
14 years 2 months ago
Minimum Ratio Contours on Surface Meshes
We present a novel approach for discretely optimizing contours on the surface of a triangle mesh. This is achieved through the use of a minimum ratio cycle (MRC) algorithm, where ...
Andrew Clements, Hao Zhang 0002
EVOW
2005
Springer
14 years 1 months ago
Region Merging for Severe Oversegmented Images Using a Hierarchical Social Metaheuristic
This paper proposes a new evolutionary region merging method to improve segmentation quality result on oversegmented images. The initial segmented image is described by a modified ...
Abraham Duarte, Ángel Sánchez, Felip...