December 2009

For the eighth year, ScienceWatch.com presents its annual "Top 20" listings of the countries which, as of the latest bimonthly update of Essential Science Indicators^SM achieved particular distinction based on their papers published in Thomson Reuters-indexed journals from January 1999 through August 31, 2009, a 10-year plus 8-month period.
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November 2009

Country Profile of Ireland, 1999-August 31, 2009

According to Essential Science Indicators^SM from Thomson Reuters, among the 149 top-performing countries in all fields, Ireland ranked #35 for citations (399,211), #39 for papers (38,841), and #29 (10.28) for citations per paper. Average citation rates are across all nations for all papers published by field. Time period: 1999-August 31, 2009.
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October 2009

National Rankings in Computer Science, 1999-June 30, 2009

Extracted from the Essential Science Indicators^SM database from Thomson Reuters, ScienceWatch.com presents a listing of the top 20 countries in Computer Sciences. Rankings are listed by citations per paper—among nations that collected 5,000 or more citations during the period (January 1999 through June 30, 2009)—to reveal weighted impact.
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September 2009

Country Profile of the Netherlands, 1999-April 30, 2009

According to Essential Science Indicators ^SM from Thomson Reuters, among the 150 top-performing countries in all fields, the Netherlands ranked #13 for citations (3,161,426), #8 for papers (228,983), and #7 (13.81) for citations per paper. Time period: 1999-April 30, 2009.
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August 2009

Top 20 Countries in Agricultural Sciences, 1999-April 30, 2009

Extracted from the Essential Science Indicators ^SM database from Thomson Reuters, ScienceWatch.com presents a listing of the top 20 countries in Agricultural Sciences. Rankings are listed by citations per paper—among nations that collected 10,000 or more citations during the period (January 1999 through April 30, 2009)—to reveal weighted impact.
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July  2009

Country Profile of England, 1999-February 28, 2009

According to Essential Science Indicators ^SM from Thomson Reuters, among the 151 top-performing countries in all fields, England ranked #3 for citations (8,385,007), #4 for papers (652,095), and #11 (12.86) for citations per paper. This feature includes rankings in all fields for England.
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June  2009

Country Rankings in Molecular Biology & Genetics

This month from ScienceWatch.com, we have listed our ranking in Molecular Biology & Genetics by citations per paper—among countries that collected 10,000 or more citations during the period—to reveal weighted impact.
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May 2009

Country Rankings in Space Science, 1999-2009

Extracted from the Essential Science Indicators database of Thomson Reuters, ScienceWatch.com presents a listing of the top 20 countries in Space Science. Rankings are listed by citations per paper—among nations that collected 10,000 or more citations during the period (January 1999 through February 28, 2009)—to reveal weighted impact.
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April 2009

Top 20 Countries in Engineering

A listing of the top 20 countries which, as of the latest bimonthly update of Essential Science Indicators^SM, attracted the highest total citations to their papers published in Thomson Reuters-indexed journals of Engineering over an 11-year period, (1998-December 31, 2008). These countries are of a pool of 96 countries comprising the top 50% ranked by total citation count in this field.
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March 2009

Country Profile of Italy, 1998-October 31, 2008

According to Essential Science Indicators ^SM from Thomson Reuters, among the 147 top-performing countries in all fields, Italy ranked #7 for citations (4,167,807), #8 for papers (400,229), and #26 (10.41) for citations per paper. This feature includes rankings in all fields for Italy for the time period of 1998-October 31, 2008.
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February 2009

Top 20 Countries in Economics & Business

A listing of the top 20 countries which, as of the latest bimonthly update of Essential Science Indicators, attracted the highest total citations to their papers published in Thomson Reuters-indexed journals of Economics & Business over the 10-year + 10-month period, (1998-October 31, 2008). These countries are of a pool of 81 countries comprising the top 50% ranked by total citation count in this field.
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January 2009

Most-Cited Paper From the Top 20 Countries, 1998-August 31, 2008

Last month ScienceWatch.com presented its annual "Top 20" listings of countries (across all 22 fields), which as of the latest bimonthly update of Essential Science IndicatorsSM, achieved particular distinction based on their papers published in Thomson Reuters-indexed journals from January 1998 through August 31, 2008, a 10-year plus 8-month period. This month we present the highest-cited paper from each of the top 20 countries. In this ranking, all of the paper's authors are based in the given country, as opposed to multinational collaborations. Addresses have been truncated.
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