About the Authors

Xiaolin Shi
Department of EECS, University of Michigan, Ann Arbor, Michigan, United States of America

Lada A. Adamic
School of Information, University of Michigan, Ann Arbor, Michigan, United States of America

Belle L. Tseng
Yahoo Inc., Sunnyvale, California, United States of America

Gavin S. Clarkson
University of Houston Law Center, Houston, Texas, United States of America

Corresponding Author

shixl@umich.edu

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: XS LA BT. Performed the experiments: XS LA. Analyzed the data: XS LA. Contributed reagents/materials/analysis tools: BT GC. Wrote the paper: XS LA BT GC.