Data provided by Thomson Reuters from its Essential Science Indicators, January 2000-April 2010
|Japan rank||World rank||Institution||Papers||Citations||Cites/papers||Highly cited||Highly cited %|
|1||55||Japan Science & Technology Agency||1,941||76,798||39.57||36||1.9|
|6||109||National Institute of Genetics||595||17,976||30.21||7||1.2|
|7||122||University of Tokyo||3,522||101,093||28.70||35||1.0|
|8||135||University of Tsukuba||707||19,342||.36||9||1.3|
|10||161||Tokyo Medical and Dental University||646||15,885||24.59||11||1.7|
The data above were extracted from the Essential Science Indicators database of Thomson Reuters. This database, currently covering the period January 2000 to April 2010, surveys only journal articles (original research reports and review articles) indexed by Thomson Reuters. Articles are assigned to a category based on the journals in which they were published and the Thomson Reuters journal-to-category field-definition scheme. Individual papers dealing with molecular biology and genetics published in influential multidisciplinary journals such as Science and Nature were included in the analysis. Both articles tabulated and citation counts to those articles are for the period indicated.
Naturally, institutions publishing large numbers of papers have a greater likelihood of collecting more citations than those publishing fewer papers. So, this ranking is by citations per paper (impact) for Japanese institutions that published 500 or more papers in molecular biology and genetics during the period. For papers with multiple institutional addresses, each institution receives full, not fractional, credit.
Essential Science Indicators lists institutions ranked in the top 1 per cent for a field over a given period, based on total citations. For the current version, 421 institutions are listed in the field, meaning that a total of 42,100 institutions were surveyed to obtain the results. Of the 421 institutions, 234 published 500 or more papers. The
ranking by citation impact seeks to reveal “heavy-hitters” based on per paper influence, not mere output.
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