About the Authors

Ying Ding

Affiliation Department of Information and Library Science, Indiana University, Bloomington, Indiana, United States of America

Min Song

min.song@yonsei.ac.kr

Affiliation Department of Library and Information Science, Yonsei University, Seoul, Korea

Jia Han

Affiliation Department of Information and Library Science, Indiana University, Bloomington, Indiana, United States of America

Qi Yu

Affiliation Department of Information Management, Shanxi Medical University, Taiyuan, China

Erjia Yan

Affiliation College of Information Science and Technology, Drexel University, Philadelphia, Pennsylvania, United States of America

Lili Lin

Affiliation College of Computer and Information, Hohai University, Nanjing, China

Tamy Chambers

Affiliation Department of Information and Library Science, Indiana University, Bloomington, Indiana, United States of America

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: YD MS. Performed the experiments: JH QY LL EY YD MS. Analyzed the data: JH QY LL EY YD MS. Contributed reagents/materials/analysis tools: TC YD MS. Wrote the paper: TC YD MS. Final approval of the version to be published: YD MS.