RESEARCH ARTICLE Assessing the effect of article processing charges on the geographic diversity of authors using Elsevier’s “Mirror Journal” system a n o p e n a c c e s s j o u r n a l Audrey C. Smith* , Leandra Merz* Akhil R. Kshirsagar , Jesse B. Borden , and Emilio M. Bruna , Chris K. Gulick , *Audrey C. Forgeron

RESEARCH ARTICLE Continued use of retracted papers: Temporal trends in citations and (lack of) awareness of retractions shown in citation contexts in biomedicine a n o p e n a c c e s s j o u r n a l Tzu-Kun Hsiao and Jodi Schneider School of Information Sciences, University of Illinois at Urbana-Champaign, Champaign IL, USA Citation: Hsiao, T.-K., & Schneider, J..

RESEARCH ARTICLE Credibility of scientific information on social media: Variation by platform, genre and presence of formal credibility cues Clara Boothby1 , Dakota Murray1 , Anna Polovick Waggy1 , Andrew Tsou1 , and Cassidy R. Sugimoto1,2 1School of Informatics, Computing, and Engineering, Indiana University Bloomington, Bloomington, Indiana, United States of America 2School of Public Policy, Georgia Institute of Technology, Atlanta, Georgia, United States of America

RESEARCH ARTICLE Productivity and interdisciplinary impacts of Organized Research Units Daniel J. Hicks1,2 1Data Science Initiative, UC Davis 2Cognitive and Information Sciences, UC Merced Keywords: interdisciplinarity, Organized Research Unit, productivity impacts, research evaluation, topic models ABSTRACT Organized Research Units (ORUs) are nondepartmental units utilized by U.S. research universities to support interdisciplinary research initiatives, among other goals. This study examined the impacts of ORUs at one

RESEARCH ARTICLE Analyzing scientific mobility and collaboration in the Middle East and North Africa Jamal El-Ouahi1,2 , Nicolas Robinson-García3 , and Rodrigo Costas1,4 1Centre for Science and Technology Studies (CWTS), Leiden University, Leiden, Netherlands 2Clarivate Analytics, Dubai Internet City, Dubai, United Arab Emirates 3Delft Institute of Applied Mathematics (DIAM), TU Delft, Netherlands 4DST-NRF Centre of Excellence in Scientometrics and Science, Technology and Innovation Policy, Stellenbosch

RESEARCH ARTICLE The gender gap in highly prestigious international research awards, 2001–2020 American University of Beirut, P.O. Box 11-0236, University Libraries, Riad El-Solh, Beirut 1107 2020, Lebanon Lokman I. Meho a n o p e n a c c e s s j o u r n a l Keywords: awards, gender disparity, gender gap, prizes, women in engineering, women in science Citation: Meho, L.

RESEARCH ARTICLE A Bayesian hurdle quantile regression model for citation analysis with mass points at lower values Marzieh Shahmandi , Paul Wilson , and Mike Thelwall Statistical Cybermetrics Research Group, School of Mathematics and Computer Science, University of Wolverhampton, Wulfruna Street, Wolverhampton WV1 1LY, UK Keywords: Bayesian method, citation analysis, excess zeros, hurdle model, Markov Chain Monte Carlo, quantile regression ABSTRACT Quantile regression presents a

RESEARCH ARTICLE scite: A smart citation index that displays the context of citations and classifies their intent using deep learning a n o p e n a c c e s s j o u r n a l Domenic Rosati1 Josh M. Nicholson1 , Milo Mordaunt1 , Neves P. Rodrigues1 , Patrice Lopez2 , Peter Grabitz1,3 , Ashish Uppala1 , , and Sean C.

RESEARCH ARTICLE Which types of online evidence show the nonacademic benefits of research? Websites cited in UK impact case studies a n o p e n a c c e s s j o u r n a l Statistical Cybermetrics Research Group, University of Wolverhampton, Wolverhampton, UK Kayvan Kousha , Mike Thelwall , and Mahshid Abdoli Keywords: impact case studies, nonacademic impact, Research Assessment

RESEARCH ARTICLE How cumulative is technological knowledge? Peter Persoon , Rudi Bekkers , and Floor Alkemade School of Innovation Sciences, Eindhoven University of Technology Keywords: cumulativeness, connaissance, technologie, brevets, networks a n o p e n a c c e s s j o u r n a l ABSTRACT Citation: Persoon, P., Bekkers, R., & Alkemade, F. (2021). How cumulative is technological knowledge? Quantitative

RESEARCH ARTICLE Peer-making: The interconnections between PhD thesis committee membership and copublishing Marie-Pierre Bès1* , Jérôme Lamy2 , and Marion Maisonobe3 1LISST—Université Toulouse Jean Jaurès 2CNRS—CERTOP—Université Toulouse Jean Jaurès 3CNRS—Géographie-cités *Marie-Pierre Bès passed away while this manuscript was under review. Mots clés: astrophysics, archaeology, economy, réseaux, PhD, PhD committee ABSTRACT This article relies on the analysis of social networks to compare the networks at work in

RESEARCH ARTICLE Uncited papers are not useless Michael Golosovsky1 and Vincent Larivière2 1The Racah Institute of Physics, The Hebrew University of Jerusalem, 9190401 Jerusalem, Israel 2École de bibliothéconomie et des sciences de linformation, Université de Montréal, Montréal, Québec, Canada a n o p e n a c c e s s j o u r n a l Keywords: citation analysis, citation dynamics, uncitedness ABSTRACT

RESEARCH ARTICLE Counting methods introduced into the bibliometric research literature 1970–2018: A review Marianne Gauffriau Copenhagen University Library/ The Royal Danish Library, Copenhagen, Denmark a n o p e n a c c e s s j o u r n a l Keywords: argument for introduction, counting method, internal validity, mathematical property, research evaluation Citation: Gauffriau, M.. (2021). Counting methods introduced into the bibliometric

RESEARCH ARTICLE All the research that’s fit to print: Open access and the news media Teresa Schultz University of Nevada, Reno a n o p e n a c c e s s j o u r n a l Keywords: altmetrics, mainstream news media, journalism, open access, science journalism Citation: Schultz, T. (2021). All the research that’s fit to print: Open access and the

RESEARCH ARTICLE A large-scale validation of the relationship between cross-disciplinary research and its uptake in policy-related documents, using the novel Overton altmetrics database a n o p e n a c c e s s j o u r n a l Henrique Pinheiro , Etienne Vignola-Gagné , and David Campbell Science-Metrix, an Elsevier company, Montréal, Québec, Canada Citation: Pinheiro, H., Vignola-Gagné, E., & Campbell,

RESEARCH ARTICLE Comprehensive mapping of local and diaspora scientists: A database and analysis of 63,951 Greek scientists John P. UN. Ioannidis1 , Chara Koutsioumpa2 , Angeliki Vakka3 , Georgios Agoranos4 , Chrysanthi Mantsiou5 Despina G. Contopoulos-Ioannidis8 , Maria Kyriaki Drekolia6 , Nikos Avramidis7 , , Konstantinos Drosatos9,10 , and Jeroen Baas11 l D o w n o a d e d f r o m

RESEARCH ARTICLE Performance-based publisher ratings and the visibility/impact of books: Small fish in a big pond, or big fish in a small pond? Alesia A. Zuccala1 , Janne Pölönen2 , Raf Guns3 , Vidar Røeggen4 , Emanuel Kulczycki5 , Kasper Bruun6 , and Eeva Savolainen7 1Department of Communication, University of Copenhagen, Karen Blixens Plads 8, Copenhagen, Denmark 2Federation of Finnish Learned Societies, Helsinki, Finland 3Centre

RESEARCH ARTICLE An international, multistakeholder survey about metadata awareness, connaissance, and use in scholarly communications Kathryn A. Kaiser1 , Michelle Urberg2 Alice Meadows5 , Maria Johnsson3 , and Laura Paglione6 , Jennifer Kemp4 , 1Department of Health Behavior, School of Public Health, University of Alabama at Birmingham, Birmingham, AL, USA 2Independent Researcher and Maverick Publishing Specialists 3Lund University, Sweden 4Crossref 5National Information Standards Organization (NISO)