Tag Archives: CWTS

Is it a scientific breakthrough?

(19 November 2018) Only a small minority of all scientific publications contain genuine scientific breakthroughs. It takes, in general, a considerable amount of time before a scientific discovery is recognized as a breakthrough. The  authors show that combining decision heuristics with algorithms that analyse the response of the scientific community to a research publication enables […]


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Ruth’s Rankings 35: Come together: May updates lead to an investigation of Collaboration

By Ruth A. Pagell* (11 June 2018) The following three international ranking updates were released in May. 2018 CWTS Leiden Rankings, where I will focus on the Collaborations module 2018 Times Higher Education, with its ever growing list of Emerging Economies 2018 U21 National Higher Education system rankings, drilling down in “Connectivity” In addition, Malaysia updated […]


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Ruth’s Rankings 32: The Business of Rankings – Show me the money

By Ruth A. Pagell* How many owners has the Institute for Scientific Information had? What percent of Times Higher Education revenue comes from rankings? Which ranker solicits advertising on its home page? (22 January 2018) Faculty and administrators in Hong Kong and Singapore asked me “How do the rankers make money from rankings?”  Despite my […]


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To distinguish between an elephant and a rabbit: Citizen bibliometrics in biomedicine and economics

(5 September 2017) In recent years there has been an increasing interest in how evaluation systems and resource allocation models affect research. A central question is how an increased focus on performance that is quantifiable affects researchers’ practices and priorities. A number of documented and possible effects have been identified on a more general level […]


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Ruth’s Rankings News Flash! CWTS Leiden, New Ranking, New Ranking Principles

Over 30% of the top 100 universities in publication output are Asian Zhejiang University has the most publications in Asia and third most in the world Nanyang Technological University (NTU) has the highest proportion of top 10% publications in their field in Asia For purposes of this summary Asia excludes the Middle East (26 May […]


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73% of academics say access to research data helps them in their work; 34% do not publish their data

A new report published today by Elsevier and CWTS provides a benchmark overview of data sharing perceptions and practices among researchers (5 April 2017, Amsterdam/Leiden) Combining results from bibliometric analyses, a global sample of researcher opinions and case-study interviews, a new report  reveals that although the benefits of open research data are well known, in practice, […]


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Ruth’s Rankings 8: Something for Everyone

By Ruth A. Pagell* (27 February 2015) Question:  What do Tokyo University, Kyoto University of Education, Tsinghua University, Universiti Kebangsaan Malaysia (National University of Malaysia) and Chongqing University of Arts and Sciences all have in common? Answer:  Using different sources and different metrics, they are all number one in higher education depending  on the  metric. […]


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