Dynamics of calling activity to toll-free numbers in China

• Jun Gui ,

  Roles Conceptualization, Formal analysis, Methodology, Writing – original draft

  * E-mail: guijun@sia.cn

  Affiliations Shenyang Institute of Automation, Chinese Academy of Sciences, Shenyang, China, Institutes for Robotics and Intelligent Manufacturing, Chinese Academy of Sciences, Shenyang, China, Key Laboratory of Network Control System, Chinese Academy of Sciences, Shenyang, China, University of Chinese Academy of Sciences, Beijing, China, School of Information Science and Engineering, Shenyang University of Technology, Shenyang, China

  http://orcid.org/0000-0003-3915-929X

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• Zeyu Zheng,

  Roles Conceptualization, Supervision

  Affiliations Shenyang Institute of Automation, Chinese Academy of Sciences, Shenyang, China, Institutes for Robotics and Intelligent Manufacturing, Chinese Academy of Sciences, Shenyang, China, Key Laboratory of Network Control System, Chinese Academy of Sciences, Shenyang, China

  http://orcid.org/0000-0001-9706-3806

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• Dianzheng Fu,

  Roles Methodology, Validation, Writing – review & editing

  Affiliations Shenyang Institute of Automation, Chinese Academy of Sciences, Shenyang, China, Institutes for Robotics and Intelligent Manufacturing, Chinese Academy of Sciences, Shenyang, China, Key Laboratory of Network Control System, Chinese Academy of Sciences, Shenyang, China

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• Zihao Yang,

  Roles Investigation, Writing – review & editing

  Affiliations Shenyang Institute of Automation, Chinese Academy of Sciences, Shenyang, China, Institutes for Robotics and Intelligent Manufacturing, Chinese Academy of Sciences, Shenyang, China, Key Laboratory of Network Control System, Chinese Academy of Sciences, Shenyang, China

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• Yuan Gao,

  Roles Data curation, Visualization

  Affiliations Shenyang Institute of Automation, Chinese Academy of Sciences, Shenyang, China, Institutes for Robotics and Intelligent Manufacturing, Chinese Academy of Sciences, Shenyang, China, Key Laboratory of Network Control System, Chinese Academy of Sciences, Shenyang, China

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• Zhi Liu

  Roles Validation, Writing – review & editing

  Affiliations Shenyang Institute of Automation, Chinese Academy of Sciences, Shenyang, China, Institutes for Robotics and Intelligent Manufacturing, Chinese Academy of Sciences, Shenyang, China, Key Laboratory of Network Control System, Chinese Academy of Sciences, Shenyang, China, University of Chinese Academy of Sciences, Beijing, China

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