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相关论文: Growth of Science: How long will the United States…

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The new interface of the Web of Science (of Thomson Reuters) enables users to retrieve sets larger than 100,000 documents in a single search. This makes it possible to compare publication trends for China, the USA, EU-27, and a number of…

数字图书馆 · 计算机科学 2012-01-04 Loet Leydesdorff

Based on the Science Citation IndexExpanded webversion, the USA is still by far the strongest nation in terms of scientific performance. Its relative decline in percentage share of publications is largely due to the emergence of China and…

物理与社会 · 物理学 2009-11-06 Loet Leydesdorff , Caroline Wagner

Growth of science is a prevalent issue in science of science studies. In recent years, two new bibliographic databases have been introduced which can be used to study growth processes in science from centuries back: Dimensions from Digital…

数字图书馆 · 计算机科学 2021-09-22 Lutz Bornmann , Robin Haunschild , Ruediger Mutz

A country's research success can be assessed from the power law function that links country and world rank numbers when publications are ordered by their number of citations; a similar function describes the distribution of country papers…

数字图书馆 · 计算机科学 2020-08-26 Ricardo Brito , Alonso Rodríguez-Navarro

We analyze a set of three databases at different levels of aggregation (i) a database of approximately $10^6$ publications of 247 countries in the period between 1980--2001. (ii) A database of 508 academic institutions from European Union…

物理与社会 · 物理学 2007-05-23 Kaushik Matia , Luis A. Nunes Amaral , Marc Luwel , Henk. F. Moed , H. Eugene Stanley

Many studies in information science have looked at the growth of science. In this study, we re-examine the question of the growth of science. To do this we (i) use current data up to publication year 2012 and (ii) analyse it across all…

数字图书馆 · 计算机科学 2014-05-09 Lutz Bornmann , Ruediger Mutz

China's rising in scientific research output is impressive. The academic community is curious about the time when the cross-over in the number of annual scientific publication production between China and the USA can happen. By using Web of…

数字图书馆 · 计算机科学 2020-05-20 Junwen Zhu , Weishu Liu

How nations shape the scientific frontier matters for technological competition, but standard metrics, including publication counts, citations, and disruption indices, look backward and fail to distinguish between fundamentally different…

数字图书馆 · 计算机科学 2026-03-03 Jeffrey W. Lockhart , Jamshid Sourati , Feng Shi , James Evans

The past few centuries have witnessed a dramatic growth in scientific and technological knowledge. However, the nature of that growth - whether exponential or otherwise - remains controversial, perhaps partly due to the lack of quantitative…

The percentages of shares of world publications of the European Union and its member states, China, and the United States have been represented differently as a result of using different databases. An analytical variant of the…

数字图书馆 · 计算机科学 2014-05-15 Loet Leydesdorff , Caroline S. Wagner , Lutz Bornmann

A novel picture of the relative positions of countries in the world of science is offered through application of a two-dimensional mapping method which is based on quantity and quality indicators of the scientific production as…

物理与社会 · 物理学 2013-04-10 Seyyed Mehdi Hosseini Jenab , Ammar Nejati

Digitization of publications, advancement in communication technology, and the availability of bibliographic data have made it easier for the researchers to study the growth and dynamics of any discipline. We present a study on…

数字图书馆 · 计算机科学 2020-11-04 Kiran Sharma , Parul Khurana

This study explores the citation diversity in scholarly literature, analyzing different patterns of citations observed within different countries and academic disciplines. We examine citation distributions across top institutions within…

物理与社会 · 物理学 2025-08-26 Suchismita Banerjee , Abhik Ghosh , Banasri Basu

Institutions and their aggregates are not the right units of analysis for developing a science policy with cognitive goals in view. Institutions, however, can be compared in terms of their performance with reference to their previous…

物理与社会 · 物理学 2009-11-24 Loet Leydesdorff , Ping Zhou

Major shifts in the global system of science and technology are destabilizing the global status order and demonstrating the capacity for emerging countries like China and India to exert greater influence. In order to measure changes in the…

综合经济学 · 经济学 2024-06-11 Renli Wu , Christopher Esposito , James Evans

In the era of big science, many national governments are helping to build well-funded teams of scientists to serve nationalistic ambitions, providing financial incentives for certain outcomes for purposes other than advancing science. That…

数字图书馆 · 计算机科学 2025-03-18 Aksheytha Chelikavada , Casey C. Bennett

Using the InCites tool of Thomson Reuters, this study compares normalized citation impact values calculated for China, Japan, France, Germany, United States, and the UK throughout the time period from 1981 to 2010. The citation impact…

数字图书馆 · 计算机科学 2012-05-04 Lutz Bornmann , Loet Leydesdorff

National science systems have become embedded in global science and countries do everything they can to harness global knowledge to national economic needs. However, accessing and using the riches of global knowledge can occur only through…

物理与社会 · 物理学 2026-05-11 Marek Kwiek

China has become the fifth leading nation in terms of its share of the world's scientific publications. The citation rate of papers with a Chinese address for the corresponding author also exhibits exponential growth. More specifically,…

物理与社会 · 物理学 2009-11-19 Ping Zhou , Loet Leydesdorff

The exponential growth in the number of scientific papers makes it increasingly difficult for researchers to keep track of all the publications relevant to their work. Consequently, the attention that can be devoted to individual papers,…

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