About the Authors

Yuxiao Dong

Affiliation Interdisciplinary Center for Network Science and Applications, Department of Computer Science and Engineering, University of Notre Dame, Notre Dame, IN, United States of America

Jie Tang

Affiliation Department of Computer Science and Technology, Tsinghua University, Beijing, P. R. China

Nitesh V. Chawla

nchawla@nd.edu

Affiliation Interdisciplinary Center for Network Science and Applications, Department of Computer Science and Engineering, University of Notre Dame, Notre Dame, IN, United States of America

Tiancheng Lou

Affiliation Google Inc, Mountain View, CA, United States of America

Yang Yang

Affiliation Interdisciplinary Center for Network Science and Applications, Department of Computer Science and Engineering, University of Notre Dame, Notre Dame, IN, United States of America

Bai Wang

Affiliation Department of Computer Science and Technology, Beijing University of Posts and Telecommunications, Beijing, P. R. China

Competing Interests

The authors claim that this work was done when TL was a Ph.D. student at Tsinghua University, and there are not any competing interests with Google. This does not alter the authors’ adherence to PLOS ONE policies on sharing data and materials.

Author Contributions

Conceived and designed the experiments: YD JT NVC TL YY BW. Performed the experiments: YD TL YY. Analyzed the data: YD TL YY BW. Wrote the paper: YD JT NVC BW.