About the Authors

Katy Börner

katy@indiana.edu

Affiliations Cyberinfrastructure for Network Science Center, School of Library and Information Science, Indiana University, Bloomington, Indiana, United States of America, Royal Netherlands Academy of Arts and Sciences (KNAW), Amsterdam, The Netherlands

Richard Klavans

Affiliation SciTech Strategies, Inc., Berwyn, Pennsylvania, United States of America

Michael Patek

Affiliation SciTech Strategies, Inc., Berwyn, Pennsylvania, United States of America

Angela M. Zoss

Affiliation Cyberinfrastructure for Network Science Center, School of Library and Information Science, Indiana University, Bloomington, Indiana, United States of America

Joseph R. Biberstine

Affiliation Cyberinfrastructure for Network Science Center, School of Library and Information Science, Indiana University, Bloomington, Indiana, United States of America

Robert P. Light

Affiliation Cyberinfrastructure for Network Science Center, School of Library and Information Science, Indiana University, Bloomington, Indiana, United States of America

Vincent Larivière

Affiliations Cyberinfrastructure for Network Science Center, School of Library and Information Science, Indiana University, Bloomington, Indiana, United States of America, École de Bibliothéconomie et des Sciences de L’information, Université de Montréal, Montréal, Canada, Observatoire des Sciences et des Technologies (OST), Centre Interuniversitaire de Recherche sur la Science et la Technologie (CIRST), Université du Québec à Montréal, Montréal, Canada

Kevin W. Boyack

Affiliation SciTech Strategies, Inc., Albuquerque, New Mexico, United States of America

Competing Interests

K. Börner is a PLoS ONE Editorial Board member. Several authors are employed by a commercial company, SciTech Strategies, Inc. This does not alter the authors’ adherence to all the PLoS ONE policies on sharing data and materials.

Author Contributions

Conceived and designed the experiments: K. Börner RK VL K. Boyack. Performed the experiments: K. Börner RK MP AZ JB RL VL K. Boyack. Analyzed the data: RL VL K. Boyack. Contributed reagents/materials/analysis tools: AZ JB. Wrote the paper: K. Börner RL VL K. Boyack.