Abstract
Finding the minimum Positive Influence Dominating Set (PIDS) is a problem arisen from the social network applications. The problem has been studied on general random graphs. However, the social networks is presented more precisely by power-law graphs. One of the most important properties of social networks is the power-law degree distribution. In this paper, we focus on the PIDS problem in power-law graphs and prove that the greedy algorithm has a constant approximation ratio. Simulation results also demonstrate that greedy algorithm can effectively select a small scale PIDS set.
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This work is supported in part by National Science Foundation under grants CNS1016320 and CCF0829993.
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Zhang, W., Wu, W., Wang, F. et al. Positive influence dominating sets in power-law graphs. Soc. Netw. Anal. Min. 2, 31–37 (2012). https://doi.org/10.1007/s13278-011-0033-9
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DOI: https://doi.org/10.1007/s13278-011-0033-9