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MOBIHOC
2002
ACM
14 years 8 months ago
Approximating minimum size weakly-connected dominating sets for clustering mobile ad hoc networks
We present a series of approximation algorithms for finding a small weakly-connected dominating set (WCDS) in a given graph to be used in clustering mobile ad hoc networks. The st...
Yuanzhu Peter Chen, Arthur L. Liestman
RR
2007
Springer
14 years 2 months ago
Evaluating Formalisms for Modular Ontologies in Distributed Information Systems
Modern semantic technology is one of the necessary supports for the infrastructure of next generation information systems. In particular, large international organizations, which u...
Yimin Wang, Jie Bao, Peter Haase, Guilin Qi
SIGMETRICS
2005
ACM
14 years 2 months ago
On lifetime-based node failure and stochastic resilience of decentralized peer-to-peer networks
—To model P2P networks that are commonly faced with high rates of churn and random departure decisions by end-users, this paper investigates the resilience of random graphs to li...
Derek Leonard, Vivek Rai, Dmitri Loguinov
SECON
2007
IEEE
14 years 2 months ago
A Framework for Resilient Online Coverage in Sensor Networks
—We consider surveillance applications in which sensors are deployed in large numbers to improve coverage fidelity. Previous research has studied how to select active sensor cov...
Ossama Younis, Marwan Krunz, Srinivasan Ramasubram...
PODC
2009
ACM
14 years 9 months ago
Fast distributed random walks
Performing random walks in networks is a fundamental primitive that has found applications in many areas of computer science, including distributed computing. In this paper, we fo...
Atish Das Sarma, Danupon Nanongkai, Gopal Panduran...