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» The multi-layered network design problem
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ORL
1998
136views more  ORL 1998»
15 years 3 months ago
A primal-dual interpretation of two 2-approximation algorithms for the feedback vertex set problem in undirected graphs
Recently, Becker and Geiger and Bafna, Berman and Fujito gave 2-approximation algorithms for the feedback vertex set problem in undirected graphs. We show how their algorithms can...
Fabián A. Chudak, Michel X. Goemans, Dorit ...
150
Voted
PPSN
2010
Springer
15 years 2 months ago
Variable Neighborhood Search and Ant Colony Optimization for the Rooted Delay-Constrained Minimum Spanning Tree Problem
Abstract. The rooted delay-constrained minimum spanning tree problem is an NP-hard combinatorial optimization problem arising for example in the design of centralized broadcasting ...
Mario Ruthmair, Günther R. Raidl
GLOBECOM
2007
IEEE
15 years 10 months ago
Designing Infrastructure-Based Overlay Networks for Delay-Sensitive Group Communications
— Infrastructure-based overlay networks have been proposed to support the quality of service requirements of a wide range of applications. In this paper, we study using infrastru...
Shaoyu Yang, Yoo-Ah Kim, Bing Wang
103
Voted
ICECCS
2002
IEEE
93views Hardware» more  ICECCS 2002»
15 years 8 months ago
Mnemosyne: Designing and Implementing Network Short-Term Memory
Network traffic logs play an important role in incident analysis. With the increasing throughput of network links, maintaining a complete log of all network activity has become a...
Giovanni Vigna, Andrew Mitchel
157
Voted
ENTCS
2007
145views more  ENTCS 2007»
15 years 3 months ago
Design, Analysis and Performance Evaluation of Group Key Establishment in Wireless Sensor Networks
Wireless sensor networks are comprised of a vast number of ultra-small autonomous computing, communication and sensing devices, with restricted energy and computing capabilities, ...
Ioannis Chatzigiannakis, Elisavet Konstantinou, Va...