Studying the outputs and mapping the co-author network of Semnan University researchers in the Web of Science Indexes

Moradimoghadam, Hossein, Khademi, Rouhallah and Keshavarz, Hamid Studying the outputs and mapping the co-author network of Semnan University researchers in the Web of Science Indexes. Journal of Studies in Library and Information Science, 2019, vol. 11, n. 1, pp. 153-174. [Journal article (Paginated)]

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English abstract

Background and Objectives: One of the areas of research and study in Scientometrics is scientific collaborative studies. Katz and Martin (1997) define scientific collaboration as working with other researchers in order to achieve common goals for the production of new knowledge. This collaboration has several aspects one of which is co-authorship. Co-authorship can occur in scientific productions such as paper, notebooks and so on. In recent years, scientific collaboration, and especially co-authorship, has grown exponentially among authors and researchers. Perhaps this increasing growth can be attributed to the benefits that scientific collaboration holds for authors and their works. This research evaluates the scientific production of researchers based on Scientometrics indicators such as growth rate, cooperative indices, the most prolific researchers and their Hirsch index, analyzing the components of the co-authorship network of researchers, and investigating the structures existing in co-authorship networks using social network analysis and based on the Centrality measure such as degree, betweenness, eigenvectors and closeness. Also, the density measures, the coefficient of clustering, the distance between nodes and subgroups are also calculated and determined. The aim of this article was to study the scientific outputs of Semnan university researchers in term of quantitative indexes (number of outputs, research area, and year) and qualitative indexes (number of citations and H-Index). Mapping the co-author network of Semnan university researchers in the Web of Science database was the other purpose of the present paper. Methodology: The research was conducted based on Scientometrics methods. The research population included all the documents which mentioned Semnan University as their affiliation and were indexed in Web of Science from 1990 to 2015. Totally, 2106 documents were indexed in this timespan. The co-author network was mapped and analyzed by Coau.exe, Ucinet and Netdraw. In order to analyze the data, different software and measures were used. For this purpose, the data were first analyzed by coauthor.exe software and the authorship matrix was formed. The obtained matrix was a symmetric matrix 194 * 194, in which the diagonal cells were set to zero. Then the matrix was imported into the UCInet software to provide the proper format required for drawing software. After obtaining the outputs from the UCInet software, to draw up a map of the co-authorship the NetDraw software was used. Also, for all authors and researchers of the Semnan University, the h index was calculated using the Web of Science and the authors with the highest h index were identified. Findings: The results showed that Engineering (39%), Physics (19.5) and Mathematics (14%) were the subjects to which Semnan university researchers contributed. Totally, in the time span investigated, Iranian researchers produced 272019 documents out of which 2106 belonged to Semnan University. Therefore, this university ranked 30 among the Iranian universities. During the period studied, Semnan University produced 0.0049% of the universal scientific outputs. The results of the growth rate calculation indicated 43.22 for Semnan University researchers in the past fifty years that reveals a promising rising growth rate. Amjadi, Gorji and Orouji with 25, 23 and 15 H-Indexs ranked first to third, respectively. In term of citation, Amjadi ranked first with 2126 citations and Gorji with 1341 and Orouji with 629 citations were in the next ranks. Investigating the degree from among the centrality measurements was also calculated and the results showed that Gorji, Fereydoun and Asghari were in the top. The highest co-authoring rate occurred in 2005 which included 3 authors. As regards the fields of study, mathematics was the highest single-author subject. After obtaining the number of co-authorship of documents in different years, three indicators of co-authorship, including the cooperation index, degree of collaborative and Collaborative coefficient, were obtained, which showed that these collaborative indicators have increased significantly during the studied years. Also, there has been an increasing trend in two indicators of degree of collaborative and collaborative coefficient with several fluctuations over several years in general. The average of these three indicators for the whole years was 2.52, 0.84 and 0.50 respectively. Discussion: The results of data analysis showed that, although the flow of co-authorship among the Semnan University researchers has fluctuated in recent years, during the studied period, the researchers of Semnan University have tended to write co-authorship. Generally, documents with three authors were the most co-authorship. The results also showed that the co-authorship network of Semnan University researchers consisted of 6 main components and 7 isolated authors. The largest cluster composed of 171 authors. The smaller cluster comprised of 7 authors and the other clusters included two. Also, subject areas of engineering, physics and mathematics scored the highest number of articles among Semnan University researchers.

Item type:	Journal article (Paginated)
Keywords:	Semnan University, scientific output, co-author social network mapping, scientometrics
Subjects:	B. Information use and sociology of information > BZ. None of these, but in this section. H. Information sources, supports, channels. > HE. Print materials.
Depositing user:	Hamid Keshavarz
Date deposited:	05 Apr 2020 12:32
Last modified:	05 Apr 2020 12:32
URI:	http://hdl.handle.net/10760/39867

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