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ATAL
2007
Springer
14 years 4 months ago
An incentive mechanism for message relaying in unstructured peer-to-peer systems
Distributed message relaying is an important function of a peer-topeer system to discover service providers. Existing search protocols in unstructured peer-to-peer systems either ...
Cuihong Li, Bin Yu, Katia P. Sycara
GLOBECOM
2006
IEEE
14 years 3 months ago
Relay Selection in Multi-Node Cooperative Communications: When to Cooperate and Whom to Cooperate with?
Abstract— In this paper, we propose a new cooperative communication protocol, which achieves high bandwidth efficiency while guaranteeing full diversity order. The proposed sche...
Ahmed S. Ibrahim, Ahmed K. Sadek, Weifeng Su, K. J...
SPAA
2005
ACM
14 years 3 months ago
Finding effective support-tree preconditioners
In 1995, Gremban, Miller, and Zagha introduced supporttree preconditioners and a parallel algorithm called supporttree conjugate gradient (STCG) for solving linear systems of the ...
Bruce M. Maggs, Gary L. Miller, Ojas Parekh, R. Ra...
BTW
2005
Springer
80views Database» more  BTW 2005»
14 years 3 months ago
Measuring the Quality of Approximated Clusterings
Abstract. Clustering has become an increasingly important task in modern application domains. In many areas, e.g. when clustering complex objects, in distributed clustering, or whe...
Hans-Peter Kriegel, Martin Pfeifle
ICNC
2005
Springer
14 years 3 months ago
Drawing Undirected Graphs with Genetic Algorithms
This paper proposes an improved genetic algorithm for producing aesthetically pleasing drawings of general undirected graphs. Previous undirected graph drawing algorithms draw larg...
Qing-Guo Zhang, Huayong Liu, Wei Zhang, Ya-Jun Guo