About the Authors

Madian Khabsa

Affiliation Computer Science and Engineering, The Pennsylvania State University, University Park, Pennsylvania, United States of America

C. Lee Giles

giles@ist.psu.edu

Affiliations Computer Science and Engineering, The Pennsylvania State University, University Park, Pennsylvania, United States of America, Information Sciences and Technology, The Pennsylvania State University, University Park, Pennsylvania, United States of America

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: CLG MK. Performed the experiments: CLG MK. Analyzed the data: CLG MK. Contributed reagents/materials/analysis tools: CLG MK. Wrote the paper: CLG MK.