About the Authors

Da-Cheng Nie

Affiliation Web Sciences Center, School of Computer Science & Engineering, University of Electronic Science and Technology of China, Chengdu, People's Republic of China

Zi-Ke Zhang

zhangzike@gmail.com

Affiliations College of Communication Engineering, Chongqing University, Chongqing, People's Republic of China, Alibaba Research Center for Complexity Sciences, Hangzhou Normal University, Hangzhou, People's Republic of China, Alibaba Research Institute, Hangzhou, People's Republic of China

Jun-Lin Zhou

Affiliation Web Sciences Center, School of Computer Science & Engineering, University of Electronic Science and Technology of China, Chengdu, People's Republic of China

Yan Fu

Affiliation Web Sciences Center, School of Computer Science & Engineering, University of Electronic Science and Technology of China, Chengdu, People's Republic of China

Kui Zhang

Affiliation College of Communication Engineering, Chongqing University, Chongqing, People's Republic of China

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: DCN YF ZKZ. Performed the experiments: DCN JLZ. Analyzed the data: DCN JLZ KZ ZKZ. Contributed reagents/materials/analysis tools: DCN ZKZ. Contributed to the writing of the manuscript: DCN JLZ ZKZ YF KZ.