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» Approximation Algorithms for Graph Homomorphism Problems
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IEEEMSP
2002
IEEE
14 years 1 months ago
An optimal shape encoding scheme using skeleton decomposition
—This paper presents an operational rate-distortion (ORD) optimal approach for skeleton-based boundary encoding. The boundary information is first decomposed into skeleton and di...
Haohong Wang, Guido M. Schuster, Aggelos K. Katsag...
WALCOM
2010
IEEE
221views Algorithms» more  WALCOM 2010»
13 years 6 months ago
Variants of Spreading Messages
In a distributed computing environment a faulty node could lead other nodes in the system to behave in a faulty manor. An initial set of faults could make all the nodes in the syst...
T. V. Thirumala Reddy, D. Sai Krishna, C. Pandu Ra...
ESA
2007
Springer
125views Algorithms» more  ESA 2007»
14 years 2 months ago
Pricing Tree Access Networks with Connected Backbones
Consider the following network subscription pricing problem. We are given a graph G = (V, E) with a root r, and potential customers are companies headquartered at r with locations...
Vineet Goyal, Anupam Gupta, Stefano Leonardi, R. R...
MONET
2006
107views more  MONET 2006»
13 years 8 months ago
Utilization and fairness in spectrum assignment for opportunistic spectrum access
The Open Spectrum approach to spectrum access can achieve near-optimal utilization by allowing devices to sense and utilize available spectrum opportunistically. However, a naive d...
Chunyi Peng, Haitao Zheng, Ben Y. Zhao
COLT
2003
Springer
14 years 1 months ago
On Finding Large Conjunctive Clusters
We propose a new formulation of the clustering problem that differs from previous work in several aspects. First, the goal is to explicitly output a collection of simple and meani...
Nina Mishra, Dana Ron, Ram Swaminathan