The European Union, China, and the United States in the top-1% and top-10% layers of most-frequently cited publications: Competition and collaborations

作者：

Highlights：

• Internationally co-authored perform are overrepresented in the layer of top-1% publications.

• Several EU member states perform above expectation in the top-1% segment.

• The USA is tightly woven into the network of leading European nations.

摘要

•Internationally co-authored perform are overrepresented in the layer of top-1% publications.•Several EU member states perform above expectation in the top-1% segment.•The USA is tightly woven into the network of leading European nations.

论文关键词：World share,Citation analysis,Excellence,Europe,USA,China

论文评审过程：Received 1 April 2014, Revised 8 May 2014, Accepted 14 May 2014, Available online 6 June 2014.

论文官网地址：https://doi.org/10.1016/j.joi.2014.05.002