Academic journal article Canadian Social Science

Highly Cited Canada Articles in Science Citation Index Expanded: A Bibliometric Analysis

Academic journal article Canadian Social Science

Highly Cited Canada Articles in Science Citation Index Expanded: A Bibliometric Analysis

Article excerpt

Abstract

The characteristics of the highly cited Canada articles in Science Citation Index Expanded from 1900 to 2011 were revealed. Articles that have been cited at least 100 times since publication to 2011 were assessed regarding their distribution in indexed journals and categories of the Web of Science. The citation lives of the top articles depending on citations in publication year, recent year, and years after publications were investigated for the impact history of articles. A new indicator, Y-index, was successfully applied to evaluate publication characteristics of Canada authors and institutions. University of Toronto was the most productive institution. The top three most productive categories of the Web of Science were biochemistry and molecular biology, multidisciplinary sciences, and neurosciences. Journal of Biological Chemistry and Nature hosted the most highly cited Canada articles. In addition, the Y-index was applied to evaluate the publication character of authors and institutions.

Key Words: Scientometrics; Web of science; Y-index, Classic articles ; Country

(ProQuest: ... denotes formulae omitted.)

INTRODUCTION

In recent years, bibliometric method as a common research tool has been widely used to measure the scientific performance of countries including Argentina, India, South Africa (Huffman et ah, 2012), India (Gupta & Bala, 2011), Australia, Canada, Germany, the Netherlands, the United Kingdom, the United States (Glanville et ah, 2011), Chile (George-Nascimento, 2010) , Czech Republic (Vanecek et ah, 2010), Turkey (Ergul et ah, 2010), Spain (Alvarez & Anegon, 2009), Italy (Abramo et ah, 2009), Austria, and Switzerland (Schreiber & Kindler, 2005). It is accepted that highly cited articles were considered as "classic citations" (Garfield, 1987). Highly cited articles have also been applied to reveal the recognition of scientific advancement and to give a historic perspective on the scientific progress (Baltussen & Kindler, 2004; Ohba et ah, 2007). Classic articles are research works which have grand citation history, and have great impacts on their field (van den Broek, 1947; Garfield, 1976). The term of highly cited articles was also reported for journal citation studies (Garfield, 1974), clinical research (Ioannidis, 2005), and research works in the Science Citation Index Expanded (Ho, 2012). Highly-cited articles nevertheless provide an interesting and useful insight into which authors, articles and topics are influencing the research profession over time (Smith, 2008). Various studies have attempted to identify and analyze the highly cited articles in for example, fields of medical (Dubin et ah, 1993; Gheiti et ah, 2012), environmental and occupational health (Smith, 2009), water resources (Chuang et ah, 2011) , chemical engineering (Ho, 2012; Chuang et ah, 2012), and environmental sciences (Khan & Ho, 2012) . Highly cited publications of a country were also studied such as the fields of radiation oncology, biology, and physics in German, psychiatry in Russia, as well as highly cited papers from India and China. Analyses usually covered the distribution of publication output, science disciplines, contributing institutions, collaboration (Jeenah & Pouris, 2008; Marshakova-Shaikevich, 2006), as well as policy implication (Uthman & Uthman, 2007). In addition, the citation life cycles of most cited papers with significant influence were revealed to provide more detail citation information (Fu et al, 2012).

The purpose of this paper is to identify and analyze highly cited articles of Canada in the Science Citation Index Expanded (SCI-Expanded) database from 1900 to 2011. The analysis covers annual production, field performance, research emphases, top cited articles, contributing institutions and authors. Some newly developed indicators related to title words, author keywords, and KeyWords Plus were employed to provide additional insights. A new indicator, 7-index, was developed and used to evaluate contributions of individual authors' and institutions' publication performance and characters. …

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