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    • Fan, Xiaoping; Chen, Zhijie; Cai, Fei; Wu, Jinsong; Liu, Shengzong; Liao, Zhining; Liao, Zhifang (Springer New York LLC, 2019)
      © 2018, Springer Science+Business Media, LLC, part of Springer Nature.The relationship of friends in social networks can be strong or weak. Some research works have shown that a close relationship between friends conducts ...