RESEARCH ARTICLE Fine-grained classification of social science journal articles using textual data: A comparison of supervised machine learning approaches a n o p e n a c c e s s j o u r n a l Joshua Eykens , Raf Guns , and Tim C. E. Engels Centre for R&D Monitoring (ECOOM), Faculty of Social Sciences, University of Antwerp, Middelheimlaan 1, 2020 Antwerp,

RESEARCH ARTICLE The institutionalized stratification of the Chinese higher education system Fei Shu1 , Cassidy R. Sugimoto2 , and Vincent Larivière3 1Chinese Academy of Science and Education Evaluation (CASEE), Hangzhou Dianzi University, Xiasha, Hangzhou, Zhejiang (China P.R.) 2School of Informatics, Computing and Engineering, Indiana University, Luddy Hall, 700 N. Woodlawn Avenue, Bloomington, Indiana (Etats-Unis) 3École de bibliothéconomie et des sciences de l’information, Université de Montréal,

RESEARCH ARTICLE A comprehensive analysis of the journal evaluation system in China Ying Huang1,2 , Ruinan Li1 , Lin Zhang1,2 , and Gunnar Sivertsen3 1School of Information Management, Wuhan University, China 2Centre for R&D Monitoring (ECOOM) and Dept. MSI, KU Leuven, Belgium 3Nordic Institute for Studies in Innovation, Research and Education, Tøyen, Oslo, Norway Keywords: bibliométrie, journal evaluation, peer review, science journal ABSTRACT Journal evaluation

RESEARCH ARTICLE Toward internationalization: A bibliometric analysis of the social sciences in Mainland China from 1979 à 2018 a n o p e n a c c e s s j o u r n a l Lin Zhang1,2 , Yuanyuan Shang1 , Ying Huang1,2 , and Gunnar Sivertsen3 1School of Information Management, Wuhan University, China 2Centre for R&D Monitoring (ECOOM) and Department of MSI,

RESEARCH ARTICLE The rank boost by inconsistency in university rankings: Evidence from 14 rankings of Chinese universities a n o p e n a c c e s s j o u r n a l Wenyu Chen1 , Zhangqian Zhu2 , and Tao Jia1 1College of Computer and Information Science, Southwest University, Chongqing, 400715, P.. R.. China 2Department of National Defense Economy, Army Logistics

RESEARCH ARTICLE The dominance of big teams in China’s scientific output Linlin Liu1 , Jianfei Yu1 , Junming Huang2,3 , Feng Xia4 , and Tao Jia1,5 1College of Computer and Information Science, Southwest University, Chongqing, 400715, P.. R.. China 2Paul and Marcia Wythes Center on Contemporary China, Princeton Institute for International and Regional Studies, Princeton University, Princeton, New Jersey 08540, USA 3Center for Complex Network Research,

RESEARCH ARTICLE Analyzing China’s research collaboration with the United States in high-impact and high-technology research Yongjun Zhu1 , Donghun Kim1 , Erjia Yan2 , Meen Chul Kim2 , and Guanqiu Qi3 1Department of Library and Information Science, Sungkyunkwan University, 25-2, Sungkyunkwan-ro, Jongno-gu, Séoul, Republic of Korea 2College of Computing and Informatics, Drexel University, 3141 Chestnut Street, Philadelphia, Pennsylvanie 19104, USA 3Department of International Logistics, Chung-Ang

RESEARCH ARTICLE Investigating the division of scientific labor using the Contributor Roles Taxonomy (CRediT) Vincent Larivière1,2 , David Pontille3 , and Cassidy R. Sugimoto4 1École de bibliothéconomie et des sciences de l’information, Université de Montréal, Montréal, Québec (Canada) 2Observatoire des sciences et des technologies, Université du Québec à Montréal, Montréal, Québec (Canada) 3Centre de sociologie de l’innovation, Mines ParisTech – CNRS UMR 9217, Paris (France)

RESEARCH ARTICLE Research network propagation: The impact of PhD students’ temporary international mobility a n o p e n a c c e s s j o u r n a l 1Social Contexts and Policies of Education, Faculty of Education, University of Hong Kong, Hong Kong, Hong Kong SAR, China 2Department of Management, Information and Production Engineering, University of Bergamo, via Pasubio 7b, 24044

RESEARCH ARTICLE Finding scientific communities in citation graphs: Articles and authors Shreya Chandrasekharan1 Dmitriy Korobskiy1 , Mariam Zaka2 , Tandy Warnow3 , Stephen Gallo2 , Wenxi Zhao1 , , and George Chacko1,3,4 a n o p e n a c c e s s j o u r n a l 1Netelabs, NET ESolutions Corporation (an NTT DATA Company), McLean, VA, USA 2American Institute of

RESEARCH ARTICLE h-Index manipulation by undoing merges* René van Bevern1 , Christian Komusiewicz2 Manuel Sorge4 , and Toby Walsh3 , Hendrik Molter3 , Rolf Niedermeier3 , a n o p e n a c c e s s j o u r n a l 1Department of Mechanics and Mathematics, Novosibirsk State University, Novosibirsk, Russian Federation 2Fachbereich Mathematik und Informatik, Philipps-Universität Marburg, Marburg, Germany 3Algorithmics

RESEARCH ARTICLE Citations driven by social connections? A multi-layer representation of coauthorship networks a n o p e n a c c e s s j o u r n a l Chair of Systems Design, ETH Zurich, Zurich, Switzerland Christian Zingg , Vahan Nanumyan , and Frank Schweitzer Keywords: citation network, citation rate, collaboration network, collective attention, network centrality, two-layer network ABSTRACT To what

RESEARCH ARTICLE Who’s writing open access (OA) articles? Characteristics of OA authors at Ph.D.-granting institutions in the United States a n o p e n a c c e s s j o u r n a l Anthony J. Olejniczak and Molly J. Wilson Academic Analytics Research Center (AARC), 1985 W Henderson Road #2159, Columbus, OH 43220 Citation: Olejniczak, UN. J., & Wilson, M..

RESEARCH ARTICLE Authorship in top-ranked mathematical and physical journals: Role of gender on self-perceptions and bibliographic evidence a n o p e n a c c e s s j o u r n a l 1Department of Computer Science, Communication and Economy, Hochschule für Technik und Wirtschaft Berlin, Berlin, Germany 2Amazon Development Center, Berlin, Germany Helena Mihaljevic´1 and Lucía Santamaría2 Citation: Mihaljević, H., &

RESEARCH ARTICLE How can citation impact in bibliometrics be normalized? A new approach combining citing-side normalization and citation percentiles a n o p e n a c c e s s j o u r n a l Lutz Bornmann Division for Science and Innovation Studies, Administrative Headquarters of the Max Planck Society, Hofgartenstr. 8, 80539 Munich, Germany Keywords: bibliométrie, citation analysis, citation percentiles, citing-side

RESEARCH ARTICLE Analyzing academic mobility of U.S. professors based on ORCID data and the Carnegie Classification Erija Yan1 , Yongjun Zhu2 , and Jiangen He3 1College of Computing and Informatics, Drexel University, Philadelphia, Pennsylvanie, U.S.A. 2Department of Library and Information Science, Sungkyunkwan University, Séoul, Korea 3School of Information Sciences, University of Tennessee, Knoxville, U.S.A. Mots clés: academic mobility, Carnegie Classification, genre, ORCID ABSTRACT This paper uses

RESEARCH ARTICLE A new approach for estimating research impact: An application to French cancer research Gérard Chevalier1 , Christine Chomienne1,2 , Nicolas Guetta Jeanrenaud3 , Julia Lane3 , and Matthew Ross3 a n o p e n a c c e s s j o u r n a l 1Institut National du Cancer 2ITMO Cancer Aviesan 3New York University Citation: Chevalier, G., Chomienne, C.,

RESEARCH ARTICLE Using web content analysis to create innovation indicators—What do we really measure? Mikaël Héroux-Vaillancourt , Catherine Beaudry , and Constant Rietsch Canada Research Chair on the Creation, Development and Commercialization of Innovation, Department of Mathematics and Industrial Engineering, Polytechnique Montréal, P.O. Box 6079, Downtown office Montreal, Québec, H3C 3A7, Canada Keywords: construct validity, innovation measurement, multitraits multimethods, web content analysis, web-mining, word frequency