中文
相关论文

相关论文: Citation impact of papers published from six proli…

200 篇论文

The top 1 percent most highly cited articles are watched closely as the vanguards of the sciences. Using Web of Science data, one can find that China had overtaken the USA in the relative participation in the top 1 percent in 2019, after…

数字图书馆 · 计算机科学 2022-02-03 Caroline S. Wagner , Lin Zhang , Loet Leydesdorff

Research collaboration is promoted by governments and research funders but if the relative prevalence and merits of collaboration vary internationally different national and disciplinary strategies may be needed to promote it. This study…

数字图书馆 · 计算机科学 2019-10-03 Mike Thelwall , Nabeil Maflahi

Efforts to combat continuing gender inequalities in academia need to be informed by evidence about where differences occur. Citations are relevant as potential evidence in appointment and promotion decisions, but it is unclear whether there…

数字图书馆 · 计算机科学 2019-10-03 Mike Thelwall

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

Citation distributions for 1992, 1994, 1996, 1997, 1999, and 2001, which were published in the 2004 report of the National Science Foundation, USA, are analyzed. It is shown that the ratio of the total number of citations of any two broad…

统计理论 · 数学 2007-06-13 Igor Podlubny

Purpose:In relation to the boom in China's SCI-indexed publications, this opinion piece examines this phenomenon and looks at future possible directions for the reform of China's research evaluation processes. Design/Approach/Methods:This…

数字图书馆 · 计算机科学 2020-05-22 Weishu Liu

Nations can be distinguished in terms of whether domestic or international research is cited. We analyzed the research output in natural sciences of three leading European research economies (Germany, the Netherlands, and the UK) and ask…

数字图书馆 · 计算机科学 2018-07-27 Lutz Bornmann , Jonathan Adams , Loet Leydesdorff

The impact of astronomical research carried out by different countries has been compared by analysing the 1000 most-cited astronomy papers published 1991-8 (125 from each year). 61% of the citations are to papers with first authors at…

天体物理学 · 物理学 2009-11-10 S. F. Sanchez , C. R. Benn

There are known gender imbalances in participation in scientific fields, from female dominance of nursing to male dominance of mathematics. It is not clear whether there is also a citation imbalance, with some claiming that male-authored…

数字图书馆 · 计算机科学 2018-08-13 Mike Thelwall

A comprehensive bibliometric analysis of Chemical Engineering area has been carried out through the analysis of the scientific production covered in Web of Science during the period 2000-2011. Three complementary studies have been carried…

数字图书馆 · 计算机科学 2021-01-01 Ruben Miranda , Esther Garcia-Carpintero

A comprehensive bibliometric analysis of the scientific production of Chemical Engineering area has been carried out using the Web of Science database for the period 2000-2011 through three complementary studies. Part 2 demonstrated a…

数字图书馆 · 计算机科学 2021-01-01 Ruben Miranda , Esther Garcia-Carpintero

The impact and originality are two critical dimensions for evaluating scientific publications, measured by citation and disruption metrics respectively. Despite the extensive effort made to understand the statistical properties and…

数字图书馆 · 计算机科学 2023-05-08 An Zeng , Ying Fan , Zengru Di , Yougui Wang , Shlomo Havlin

Self-citations are a key topic in evaluative bibliometrics because they can artificially inflate citation-related performance indicators. Recently, self-citations defined at the largest scale, i.e., country self-citations, have started to…

物理与社会 · 物理学 2024-01-02 Alberto Baccini , Eugenio Petrovich

This paper challenges recent research (Evans, 2008) reporting that the concentration of cited scientific literature increases with the online availability of articles and journals. Using Thomson Reuters' Web of Science, the present paper…

物理与社会 · 物理学 2008-10-01 Vincent Lariviere , Yves Gingras , Eric Archambault

This bibliometric study of a large publication set dealing with research on climate change aims at mapping the relevant literature from a bibliometric perspective and presents a multitude of quantitative data: (1) The growth of the overall…

数字图书馆 · 计算机科学 2016-08-03 Robin Haunschild , Lutz Bornmann , Werner Marx

We analyze international co-authorship relations in the Social Science Citation Index 2011 using all citable items in the DVD-version of this index. Network statistics indicate four groups of nations: (i) an Asian-Pacific one to which all…

数字图书馆 · 计算机科学 2013-08-14 Loet Leydesdorff , Han Woo Park , Caroline Wagner

Contemporary scientific exchanges are international, yet language continues to be a persistent barrier to scientific communication, particularly for non-native English-speaking scholars. Since the ability to absorb knowledge has a strong…

数字图书馆 · 计算机科学 2019-08-22 Kaile Gong , Juan Xie , Ying Cheng , Vincent Larivière , Cassidy R. Sugimoto

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

Governments sometimes need to analyse sets of research papers within a field in order to monitor progress, assess the effect of recent policy changes, or identify areas of excellence. They may compare the average citation impacts of the…

数字图书馆 · 计算机科学 2015-09-22 Ruth Fairclough , Mike Thelwall

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
‹ 上一页 1 2 3 10 下一页 ›