A standard model of rumor spreading was introduced by Daley and Kendall,<ref name=DK1965></ref>. Assume there are N people in total. And those people in the network are categorized into three groups: ignorants, spreaders and stiflers, which are denoted as I, S, and R respectively hereinafter: | A standard model of rumor spreading was introduced by Daley and Kendall,<ref name=DK1965></ref>. Assume there are N people in total. And those people in the network are categorized into three groups: ignorants, spreaders and stiflers, which are denoted as I, S, and R respectively hereinafter: |