Approximating the minimum weight weak vertex cover

Approximating the minimum weight weak vertex cover
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近似最小权重弱顶点覆盖

DOI:
10.1016/j.tcs.2006.06.009
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发表时间:
2006-10
影响因子:
1.1
通讯作者:
Jiang, Tao
Jiang, Tao
中科院分区:
计算机科学4区
文献类型:
--
作者:
Zhu, Hong;Zhang, Yong;FLEISCHER, Rudolf;Ge, Qi;Jiang, Tao

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准确的网络流量测量对于各种网络应用是重要的,其中网络中的边缘上的“流量”直观地是数据流量的速率。网络流量的有效监控问题可以看作是寻找给定图的最小权弱顶点覆盖问题。本文提出了一个(2-2ν(G))-近似算法,改进了已有的结果,其中ν(G)是G的圈数.
Accurate network flow measurement is important for a variety of network applications, where the “flow” over an edge in the network is intuitively the rate of data traffic. The problem of efficiently monitoring the network flow can be regarded as finding the minimum weight weak vertex cover for a given graph. In this paper, we present a (2-2ν(G))-approximation algorithm solving for this problem, which improves previous results, where ν(G) is the cyclomatic number of G.
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