25 July 2015
The TOP500 project is a ranking and description of the world’s most powerful supercomputer systems. Data is currently collected by experts at the University of Tennessee, Knoxville, and NERSC/Lawrence Berkeley National Laboratory and are published twice a year. The rankings are based on the LINPACK benchmark, that is the ability to solve a dense system of linear equations.
This year, the world’s top system is the Tianhe-2, developed by the Chinese National University of Defense Technology and located at the National Supercomputing Center in Guangzhou. The other places in the top five go to Titan, Oak Ridge National Laboratory, USA, Sequoia, Lawrence Livermore National Laboratory, USA, K Computer, RIKEN, Japan, and Blue Gene/Q, Argonne National Laboratory, USA.
18 July 2015
The Center for World University Rankings, based in Jeddah, Saudi Arabia, has produced the latest edition of its global university rankings. These rankings are notable for avoiding surveys and data submitted by institutions and focussing entirely on outputs. The eight “objective and robust” indicators are: Quality of Education, measured by prizes and awards won by alumni, Alumni Employment, measured by alumni who are CEOs of major companies, Quality of Faculty, measured by faculty who have won major prizes or awards, Publications, measured by number of research papers in “reputable” journals, Influence, measured by the number of papers in “highly-influential“ journals, Citations, measured by highly cited research papers, Broad Impact measured by the h-index, and Patents, measured by international patents filings.
17 July 2015
The Scimago Institutions Rankings are “a science evaluation resource to assess worldwide universities and research-focused institutions”. They are published annually by the Scimago Lab, a Spanish company, and include twelve indicators for research, innovation and web visibility. The Scimago Lab does not, however, produce overall rankings and consequently they do not receive much media attention although they can provide interesting insights into important trends in research, innovation and web activity.
11 July 2015
Times Higher Education (THE) has published a “pilot” ranking of African universities. This consists of a single indicator, citations per publications normalised by field and year with the data being taken from the Scopus database rather than from the Web of Science as in previous years. For these rankings THE and Scopus have introduced fractionalise counting of citations, that is dividing the total number of citations of a publication by the number of contributors, thus avoiding disproportionate scores for institutions that have contributed to multi-author publications, especially in particle physics.
08 July 2015
Quacquarelli Symonds (QS) have produced their latest BRICS rankings of the developing economies of Brazil, Russia, India, China and South Africa. The methodology represents a significant departure from QS’s world rankings.
The first three places are held by Tsinghua University, Peking University and Fudan University with Lomonosov Moscow State University in fourth place.
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