About the Authors

Yvette Graham

Roles Conceptualization, Formal analysis, Investigation, Methodology, Visualization, Writing – original draft, Writing – review & editing

Affiliation ADAPT Centre for Digital Content Technology, Dublin City University, Glasnevin, Dublin 9, Ireland

George Awad

Roles Investigation, Methodology, Resources, Writing – original draft, Writing – review & editing

Affiliations National Institute of Standards and Technology, Gaithersburg, MD, United States of America, Dakota Consulting, Inc., Silver Spring, MD, United States of America

Alan Smeaton

Roles Conceptualization, Formal analysis, Funding acquisition, Investigation, Methodology, Visualization, Writing – original draft, Writing – review & editing

alan.smeaton@dcu.ie

Affiliation Insight Centre for Data Analytics, Dublin City University, Glasnevin, Dublin 9, Ireland

Competing Interests

The authors have declared that no competing interests exist and Dakota Consulting, Inc does not alter our adherence to PLOS ONE policies on sharing data and materials.