Search Results

You are looking at 81 - 90 of 395 items for :

  • "Citation analysis" x
  • Mathematics and Statistics x
  • Refine by Access: All Content x
Clear All

Abstract  

The objective of this study is to use a clustering algorithm based on journal cross-citation to validate and to improve the journal-based subject classification schemes. The cognitive structure based on the clustering is visualized by the journal cross-citation network and three kinds of representative journals in each cluster among the communication network have been detected and analyzed. As an existing reference system the 15-field subject classification by Glänzel and Schubert (Scientometrics 56:55–73, <cite>2003</cite>) has been compared with the clustering structure.

Restricted access

Abstract  

As the population ages in Taiwan, stroke research has received greater attention in recent years. Strokes have significant impacts on the health and well-being of the elderly. To formulate future research policy, information on stroke publications should be collected. In this research, we studied stroke-related research articles published by Taiwan researchers which were indexed in the Science Citation Index from 1991 to 2005. We found that the quantity of publications has increased at a quicker pace than the worldwide trend. Over the years, there has been an increase in international collaboration, mainly with researchers in the U.S. Article visibility, measured as the frequency of being cited, also increased during the period. It appears that stroke research in Taiwan has become more globally connected and has also improved in quality. The publication output was concentrated in a few institutes, but there was a wide variation among these institutes in the ability to independently conduct research. A wide array of keywords indicated a probable lack of continuity in research. Nevertheless, there was an inverse relationship between stroke mortality and number of published articles in Taiwan. To improve the quality and efficiency of stroke research, continuity in research focuses needs to be maintained, and thus funding should be allocated on a long-term basis to institutes with a proven record of success.

Restricted access
Scientometrics
Authors: Chuanfu Chen, Kai Sun, Gang Wu, Qiong Tang, Jian Qin, Kuei Chiu, Yushuang Fu, Xiaofang Wang, and Jing Liu

Abstract  

The quality and credibility of Internet resources has been a concern in scholarly communication. This paper reports a quantitative analysis of the use of Internet resources in journal articles and addresses the concerns for the use of Internet resources scholarly journals articles. We collected the references listed in 35,698 articles from 14 journals published during 1996 to 2005, which resulted in 1,000,724 citations. The citation data was divided into two groups: traditional citations and Web citations, and examined based on frequencies of occurrences by domain and type of Web citation sources. The findings included: (1) The number of Web citations in the journals investigated had been increasing steadily, though the quantity was too small to draw an inclusive conclusion on the data about their impact on scientific research; (2) A great disparity existed among different disciplines in terms of using information on the Web. Applied disciplines and interdisciplinary sciences tended to cite more information on the Web, while classical and experimental disciplines cited little of Web information; (3) The frequency of citations was related to the reputation of the author or the institution issuing the information, and not to the domain or webpage types; and (4) The researchers seemed to lack confidence in Internet resources, and Web information was not as frequently cited as reported in some publications before. The paper also discusses the need for developing a guideline system to evaluate Web resources regarding their authority and quality that lies in the core of credibility of Web information.

Restricted access

Abstract  

In this paper I discuss the relation between widely used “Scientometric” measures and “reputation” of research groups within the scientific community. To this goal, I present the result of the detailed comparison of two research groups of theoretical astrophysics in post-world-war-2nd Japan. Though one of the two groups gained much higher reputation within the research community, we could not find much difference in the macroscopic indices such as the number of publications or the average citation index. The two groups showed similar scores for these macroscopic indices. This result suggests that widely used quantitative measures of the productivity do not give meaningful measure for the actual contribution of a research group to science.

Restricted access

Abstract  

Derek John de Solla Price died on September 3, 1983. The loss of this exciting and dynamic man is one which is felt not just by his friends, but by the scientific community as a whole. This article was originally planned as part of an essay forCurrent Contents® (CC®).1 But I was delighted by the opportunity to contribute it to this special tribute issue ofScientometrics.

Restricted access

Abstract  

This research analyzes a “who cites whom” matrix in terms of aggregated journal-journal citations to determine the location of communication studies on the academic spectrum. Using the Journal of Communication as the seed journal, the 2006 data in the Journal Citation Reports are used to map communication studies. The results show that social and experimental psychology journals are the most frequently used sources of information in this field. In addition, several journals devoted to the use and effects of media and advertising are weakly integrated into the larger communication research community, whereas communication studies are dominated by American journals.

Restricted access

ABRC ( 1987 ). A strategy for the science base . HMSO , London . ISBN 0 11 270627 4. Adam , D 2002 Citation analysis: The counting house . Nature 415 : 726 – 729 10

Restricted access

Trajtenberg et al. ( 1997 ) Backward citation Counting of backward citations to scientific literature Basicness 70% of all patents are cited less often than three times, citation analysis

Restricted access

process of editorial selection goes into the construction of the Citation Database journal list” (AMS 2011a ). The dichotomy of included and cited classes of journals makes MathSciNet a different type of tool than JCR for citation analysis. Furthermore

Restricted access

Abstract  

The relation between philosophy of science and epistemology is studied using the author co-citation technique. Co-citation links among 62 authors — a representative list of various styles and approaches to rationality — were established using the Arts and Humanities Citation Index. Multidimensional scaling results in a two-dimensional map of authors, where the axes represent the subject (philosophy of science to epistemology) and the method (qualitative to quantitative), respectively. The authors on the map can be clustered into more or less coherent groups at different levels of resolution.

Restricted access