RESEARCH ARTICLE A comparison of large-scale science models based on textual, direct citation and hybrid relatedness Kevin W. Boyack1 and Richard Klavans2 1SciTech Strategies, Cª, Albuquerque, NM (EE.UU) 2SciTech Strategies, Cª, Wayne, Pensilvania (EE.UU) Palabras clave: exactitud, clustering, direct citation, hybrid similarity, relatedness measure, textual similarity ABSTRACT Recent large-scale bibliometric models have largely been based on direct citation, and several recent studies have explored augmenting direct

RESEARCH ARTICLE Open access at the national level: A comprehensive analysis of publications by Finnish researchers a n o p e n a c c e s s j o u r n a l Emanuel Kulczycki4 Janne Pölönen1 , Mikael Laakso2 , Raf Guns3 , and Gunnar Sivertsen5 , Citación: Pölönen, J., Laakso, METRO., Guns, r., Kulczycki, MI., & Sivertsen, GRAMO. (2020). Open access

RESEARCH ARTICLE Coronavirus research before 2020 is more relevant than ever, especially when interpreted for COVID-19 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, UK Mike Thelwall Keywords: altmetrics, COVID-19, Mendeley, MERS, readers, SARS Citation: Thelwall, METRO. (2020). Coronavirus research before 2020 is more relevant than ever,

RESEARCH ARTICLE Author name disambiguation of bibliometric data: A comparison of several unsupervised approaches1 Alexander Tekles1,2 and Lutz Bornmann1 1Division for Science and Innovation Studies, Administrative Headquarters of the Max Planck Society, Hofgartenstr. 8, 80539 Munich, Germany 2Ludwig-Maximilians-Universität Munich, Department of Sociology, Konradstr. 6, 80801 Munich, Germany Keywords: author name disambiguation, bibliometría, unsupervised disambiguation approach ABSTRACT Adequately disambiguating author names in bibliometric databases is a

RESEARCH ARTICLE COVID-19 research in Wikipedia Giovanni Colavizza University of Amsterdam, the Netherlands Keywords: bibliometría, CORD-19, coronavirus, COVID-19, cienciometría, Wikipedia a n o p e n a c c e s s j o u r n a l ABSTRACT Citation: Colavizza, GRAMO. (2020). COVID-19 research in Wikipedia. Estudios de ciencias cuantitativas, 1(4), 1349–1380. https://doi.org/10.1162/qss_a_00080 DOI: https://doi.org/10.1162/qss_a_00080 Received: 14 Puede 2020 Aceptado: 12 Julio 2020 Corresponding

RESEARCH ARTICLE A typology of scientific breakthroughs Mignon Wuestman , Jarno Hoekman , and Koen Frenken Innovation Studies Group, Copernicus Institute of Sustainable Development, Princetonlaan 8a, 3584 CB, Universidad de Utrecht, The Netherlands a n o p e n a c c e s s j o u r n a l Keywords: breakthroughs, citation impact, scientific discovery, science of science, cienciometría, societal impact Citation: Wuestman,

RESEARCH ARTICLE Pot, kettle: Nonliteral titles aren’t (natural) science Mike Thelwall Statistical Cybermetrics Research Group, University of Wolverhampton, UK Keywords: academic humor, disciplinary differences, journal article titles, poetic titles a n o p e n a c c e s s j o u r n a l ABSTRACT Citation: Thelwall, METRO. (2020). Pot, kettle: Nonliteral titles aren’t (natural) ciencia. Estudios de ciencias cuantitativas, 1(4), 1638–1652.

RESEARCH ARTICLE Concentration of Danish research funding on individual researchers and research topics: Patterns and potential drivers a n o p e n a c c e s s j o u r n a l Danish Centre for Studies in Research and Research Policy, Department of Political Science, Aarhus University, Bartholins allé 7, 8000 Aarhus C Emil Bargmann Madsen and Kaare Aagaard Citation: Madsen,

RESEARCH ARTICLE Pandemic publishing: Medical journals strongly speed up their publication process for COVID-19 Serge P. j. METRO. Horbach1,2 1Radboud University Nijmegen, Faculty of Science, Institute for Science in Society, P.O. Box 9010, 6500 GL Nijmegen, The Netherlands 2Centre for Science and Technology Studies (CWTS), Faculty of Social Sciences, Universidad de Leiden, Wassenaarseweg 62A, 2333 AL Leiden, The Netherlands Keywords: COVID-19, peer review, publication delay, publicación

RESEARCH ARTICLE Frequently cocited publications: Features and kinetics Sitaram Devarakonda1 , James R. Bradley2 , Dmitriy Korobskiy1 Tandy Warnow3 , and George Chacko1 1Netelabs, NET ESolutions Corporation, McLean, Virginia, USA 2Raymond A. Mason College of Business, William and Mary, Williamsburg, Virginia, USA 3Department of Computer Science, University of Illinois Urbana-Champaign, Champaign, USA Keywords: bibliometría, cocitation ABSTRACT Cocitation measurements can reveal the extent to which a

RESEARCH ARTICLE Noncumulative measures of researcher citation impact Mark C. Wilson and Zhou Tang Department of Mathematics and Statistics, University of Massachusetts Amherst a n o p e n a c c e s s j o u r n a l Keywords: bibliometría, citation indicator, scientometrics Citation: wilson, METRO. C., & Espiga, z. (2020). Noncumulative measures of researcher citation impact. Estudios de ciencias cuantitativas, 1(3),

RESEARCH ARTICLE Longitudinal variation in national research publication portfolios: Steps required to index balance and evenness a n o p e n a c c e s s j o u r n a l Jonathan Adams1,2 , Gordon Rogers2 , Warren Smart3 , and Martin Szomszor2 1The Policy Institute, King’s College London, 22 Kingsway, London WC2B 6LE, UK 2Institute for Scientific Information, Clarivate Analytics,

RESEARCH ARTICLE All downhill from the PhD? The typical impact trajectory of U.S. academic careers Mike Thelwall and Ruth Fairclough Statistical Cybermetrics Research Group, University of Wolverhampton, UK a n o p e n a c c e s s j o u r n a l Keywords: academic careers, career trajectory, citation analysis, MNLCS, United States Citation: Thelwall, METRO., & Fairclough, R. (2020). Todo

RESEARCH ARTICLE Mapping scholarly publications related to the Sustainable Development Goals: Do independent bibliometric approaches get the same results? a n o p e n a c c e s s j o u r n a l University of Bergen Library, University of Bergen, Bergen, Norway Caroline S. Armitage , Marta Lorenz , and Susanne Mikki Keywords: bibliometría, SDG, cienciometría, sustainability, Sustainable Development Goals

RESEARCH ARTICLE Recency predicts bursts in the evolution of author citations Filipi Nascimento Silva1 , Aditya Tandon2 , Diego Raphael Amancio3, Alessandro Flammini1,2, Filippo Menczer1,2 , Staša Milojevic(cid:1)2, and Santo Fortunato1,2 a n o p e n a c c e s s j o u r n a l 1Indiana University Network Science Institute, Universidad de Indiana, Bloomington, USA 2Center for Complex Networks and Systems

RESEARCH ARTICLE Greater female first author citation advantages do not associate with reduced or reducing gender disparities in academia 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, UK Mike Thelwall and Pardeep Sud Keywords: academic careers, citation impact, gender bias, research evaluation Citation: Thelwall, METRO., & Sud,

RESEARCH ARTICLE Are disruption index indicators convergently valid? The comparison of several indicator variants with assessments by peers Lutz Bornmann1 , Sitaram Devarakonda2 , Alexander Tekles1,3 , and George Chacko2 1Division for Science and Innovation Studies, Administrative Headquarters of the Max Planck Society, Hofgartenstr. 8, 80539 Munich, Germany 2NET ESolutions Corporation, 8180 Greensboro Dr, McLean, Virginia 22102, USA 3Ludwig-Maximilians-Universität Munich, Department of Sociology, Konradstr. 6,

RESEARCH ARTICLE Proposal success in Horizon 2020: A study of the influence of consortium characteristics Iris Wanzenböck1 , Rafael Lata2 , and Doga Ince2 1Copernicus Institute of Sustainable Development, Universidad de Utrecht, Princetonlaan 8a, 3584 CS Utrecht, The Netherlands 2Austrian Research Promotion Agency FFG, Sensengasse 1, 1090 Viena, Austria Keywords: consortium level, EU Framework Programme, Horizon 2020, R&D collaboration, research funding, research policy ABSTRACT This study