About the Authors

Philipp Singer

philipp.singer@gesis.org

Affiliation GESIS - Leibniz Institute for the Social Sciences, Cologne, Germany

Denis Helic

Affiliation Technical University of Graz, Knowledge Technologies Institute, Graz, Austria

Behnam Taraghi

Affiliation Technical University of Graz, Institute for Information Systems and Computer Media, Graz, Austria

Markus Strohmaier

Affiliations GESIS - Leibniz Institute for the Social Sciences, Cologne, Germany, University Koblenz-Landau, Institute for Web Science and Technologies, Koblenz, Germany

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: PS DH BT MS. Performed the experiments: PS DH BT MS. Analyzed the data: PS DH BT MS. Contributed reagents/materials/analysis tools: PS DH BT MS. Wrote the paper: PS DH BT MS.