Abstract
The number of papers published in journals indexed by the Web of Science core collection is steadily increasing. In recent years, nearly two million new papers were published each year; somewhat more than one million papers when primary research papers are considered only (articles and reviews are the document types where primary research is usually reported or reviewed). However, who reads these papers? More precisely, which groups of researchers from which (self-assigned) scientific disciplines and countries are reading these papers? Is it possible to visualize readership patterns for certain countries, scientific disciplines, or academic status groups? One popular method to answer these questions is a network analysis. In this study, we analyze Mendeley readership data of a set of 1,133,224 articles and 64,960 reviews with publication year 2012 to generate three different networks: (1) The network based on disciplinary affiliations of Mendeley readers contains four groups: (i) biology, (ii) social sciences and humanities (including relevant computer sciences), (iii) bio-medical sciences, and (iv) natural sciences and engineering. In all four groups, the category with the addition “miscellaneous” prevails. (2) The network of co-readers in terms of professional status shows that a common interest in papers is mainly shared among PhD students, Master’s students, and postdocs. (3) The country network focusses on global readership patterns: a group of 53 nations is identified as core to the scientific enterprise, including Russia and China as well as two thirds of the OECD (Organisation for Economic Co-operation and Development) countries.
Highlights
Bibliometrics is a mature research field, which develops advanced indicators for research evaluation purposes, and a research field, which studies patterns in science
We analyze Mendeley readership data of a set of 1,133,224 articles and 64,960 reviews with publication year 2012 to generate three different kinds of networks: (1) The network based on disciplinary affiliations of Mendeley readers contains four groups: (i) biology, (ii) social science and humanities, (iii) bio-medical sciences, and (iv) natural science and engineering
(3) The country network focusses on global readership patterns: a group of 53 nations is identified as core to the scientific enterprise, including Russia and China as well as two thirds of the OECD (Organisation for Economic Co-operation and Development) countries
Summary
Bibliometrics is a mature research field, which develops advanced indicators for research evaluation purposes, and a research field, which studies patterns in science. Powerful computers have led to the analysis of large networks, which may include the whole Web of Science (WoS) database from Thomson Reuters (Milojević, 2014). Today, these networks are of interest for specialists in bibliometrics or networking, and for stakeholders from publishers, research institutions, and funding agencies. According to Martin, Nightingale, and Rafols (2014) “network and sciencemapping visualizations have considerably enhanced the capacity to convey complex information to users These tools are sufficiently mature to be used available in academia and in consultancy and funding organisations” Overviews of publications dealing with networking and mapping have been published, for example, by Börner, Sanyal, and Vespignani (2007), Leydesdorff (2014), and Mingers & Leydesdorff (2015)
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