Dominant Characteristics of Subject Categories in a Multiple-Category Hierarchical Scheme: A Case Study of Scopus

IF 4.6 Q1 INFORMATION SCIENCE & LIBRARY SCIENCE
Eungi Kim, Da-Yeong Jeong
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引用次数: 0

Abstract

The Scopus journal classification method, known as All Science Journal Classification (ASJC), follows a hierarchical organization of subject categories: minor, major, and supergroups. At the minor level, journals are assigned to one or more subject categories. We refer to this classification scheme as a multiple-category hierarchical scheme. The objective of this study is to investigate the dominant characteristics of subject categories within the Scopus database and quantify their dominance using various subject indices. To conduct the study, we formulated a set of subject category indices, including the Number of Journals (J), Total Instances of Subject Categories (SC), Number of Unique Subject Categories (USC), and Dominance Index (DOMI). The results showed that high DOMI values in subject categories indicate specialization and limited associations with other fields. There were minimal correlations between DOMI and other subject category indices like J, SC, and USC, demonstrating their uniqueness and independence. The study also revealed that subject categories within the Health Sciences exhibited higher DOMI values and greater specialization compared to those in the Physical Sciences, indicating a pronounced dominance in Health Sciences minor categories. Finally, minor subject categories exhibited more variation in subject category indices compared to their upper-level subject categories, highlighting the intricate variations within the hierarchical system of the Scopus classification. These findings have implications for researchers, emphasizing the need to consider a subject category’s dominance and associations when selecting journals for their research.
多类别分层方案中主题类别的主要特征:Scopus 案例研究
Scopus期刊分类方法,被称为全科学期刊分类(ASJC),遵循主题类别的层次组织:次要、主要和超组。在次要级别,期刊被分配到一个或多个主题类别。我们把这种分类方案称为多类别分层方案。本研究的目的是调查Scopus数据库中主题类别的主导特征,并使用各种主题指数量化它们的主导地位。为了进行研究,我们制定了一套学科类别指标,包括期刊数量(J)、学科类别总数(SC)、唯一学科类别数量(USC)和优势指数(DOMI)。结果表明,学科类别的高DOMI值表明专业化和与其他领域的关联有限。DOMI与J、SC、USC等其他主题类指标的相关性很小,显示了它们的独特性和独立性。研究还显示,与物理科学的学科类别相比,健康科学的学科类别表现出更高的DOMI值和更大的专业化,表明健康科学的次要类别明显占主导地位。最后,小主题分类的主题分类指数比大主题分类的主题分类指数变化更大,凸显了Scopus分类体系内部复杂的变化。这些发现对研究人员有启示意义,强调在为他们的研究选择期刊时需要考虑一个学科类别的主导地位和关联。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
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来源期刊
Publications
Publications Social Sciences-Library and Information Sciences
CiteScore
6.50
自引率
1.90%
发文量
40
审稿时长
11 weeks
期刊介绍: The scope of Publications includes: Theory and practice of scholarly communication Digitisation and innovations in scholarly publishing technologies Metadata, infrastructure, and linking the scholarly record Publishing policies and editorial/peer-review workflows Financial models for scholarly publishing Copyright, licensing and legal issues in publishing Research integrity and publication ethics Issues and best practices in the publication of non-traditional research outputs (e.g., data, software/code, protocols, data management plans, grant proposals, etc.) Issues in the transition to open access and open science Inclusion and participation of traditionally excluded actors Language issues in publication processes and products Traditional and alternative models of peer review Traditional and alternative means of assessment and evaluation of research and its impact, including bibliometrics and scientometrics The place of research libraries, scholarly societies, funders and others in scholarly communication.
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