On positive influence dominating sets in social networks

被引：61

作者：

Wang, Feng ^{[1
]}

Du, Hongwei ^{[2
]}

Camacho, Erika ^{[1
]}

Xu, Kuai ^{[1
]}

Lee, Wonjun ^{[3
]}

Shi, Yan ^{[4
]}

Shan, Shan ^{[4
]}

机构：

[1] Arizona State Univ, Div Math & Nat Sci, Phoenix, AZ 85069 USA

[2] IIT, Dept Comp Sci, Chicago, IL 60616 USA

[3] Korea Univ, Div Comp & Commun Engn, Seoul, South Korea

[4] Univ Texas Dallas, Dept Comp Sci, Richardson, TX 75080 USA

来源：

THEORETICAL COMPUTER SCIENCE | 2011年 / 412卷 / 03期

关键词：

Dominating set; Positive influence dominating set; Social networks; APX-hard;

D O I：

10.1016/j.tcs.2009.10.001

中图分类号：

TP301 [理论、方法];

学科分类号：

081202 ;

摘要：

In this paper, we investigate the positive influence dominating set (PIDS) which has applications in social networks. We prove that PIDS is APX-hard and propose a greedy algorithm with an approximation ratio of H(delta) where H is the harmonic function and delta is the maximum vertex degree of the graph representing a social network. (C) 2009 Elsevier B.V. All rights reserved.

引用

页码：265 / 269

页数：5

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