About the Authors
- Dan-Qing Liu
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Affiliations School of Computer Science, Shaanxi Normal University, Xi’an, PR China, School of Computer, Qinghai Normal University, Xining, PR China, Key Laboratory of Modern Teaching Technology, Ministry of Education, Xi’an, PR China
- Zhen-Qiang Wu
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Affiliations School of Computer Science, Shaanxi Normal University, Xi’an, PR China, Key Laboratory of Modern Teaching Technology, Ministry of Education, Xi’an, PR China
- Yu-Xin Wang
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Affiliation Sichuan Institute for Educational Research, Chengdu, PR China
- Qiang Guo
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Affiliation Research Center of Complex Systems Science, University of Shanghai for Science and Technology, Shanghai, PR China
- Jian-Guo Liu
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* E-mail: liujg004@ustc.edu.cn
Affiliations Research Center of Complex Systems Science, University of Shanghai for Science and Technology, Shanghai, PR China, Data Science and Cloud Service Research Center, Shanghai University of Finance and Economics, Shanghai, PR China
Competing Interests
The authors have declared that no competing interests exist.
Author Contributions
Conceptualization: DQL JGL. Data curation: DQL. Formal analysis: DQL ZQW YXW QG JGL. Funding acquisition: DQL QG. Investigation: DQL YXW. Methodology: DQL ZQW YXW QG JGL. Project administration: DQL JGL. Resources: DQL. Software: DQL. Supervision: ZQW JGL. Validation: DQL JGL. Visualization: DQL QG. Writing – original draft: DQL ZQW YXW QG JGL. Writing – review & editing: DQL ZQW YXW QG JGL.