About the Authors

Yao Wang

Affiliation Key Laboratory for Symbol Computation and Knowledge Engineering of National Education Ministry, College of Computer Science and Technology, Jilin University, Jilin, China

Chunguo Wu

Affiliations Key Laboratory for Symbol Computation and Knowledge Engineering of National Education Ministry, College of Computer Science and Technology, Jilin University, Jilin, China, Business School, University of Shanghai for Science and Technology, Shanghai, China, Department of Modern Physics, University of Science and Technology of China, Hefei, China

Zhaohua Ji

Affiliations Key Laboratory for Symbol Computation and Knowledge Engineering of National Education Ministry, College of Computer Science and Technology, Jilin University, Jilin, China, Inner Mongolia Xing'an Vocational & Technical College, Wulanhaote, China

Binghong Wang

Affiliations Business School, University of Shanghai for Science and Technology, Shanghai, China, Department of Modern Physics, University of Science and Technology of China, Hefei, China

Yanchun Liang

ycliang@jlu.edu.cn

Affiliation Key Laboratory for Symbol Computation and Knowledge Engineering of National Education Ministry, College of Computer Science and Technology, Jilin University, Jilin, China

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: YW ZJ CW YL. Performed the experiments: YW ZJ. Analyzed the data: YW CW ZJ YL. Contributed reagents/materials/analysis tools: YW CW ZJ BW YL. Wrote the paper: YW CW ZJ YL.