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A Comparison of citation disciplinary structure in Science between the G7 Countries and the BRICS Countries

Journal of Data and Information Science 2018年第3期3卷 14-31页

作者： Ting Yue Liying Yang Per Ahlgren Jielan Ding Shuangqing Shi Rainer Frietsch National Science Library of the Chinese Academy of Sciences Beijing100190China University of Chinese Academy of Sciences No.19A Yuquan RoadBeijing 100049China KTH Library KTH Royal Institute of TechnologyOsquars backe 25Stockholm10044Sweden Library of Peking University Health Science Center Beijing100083China Fraunllofer Institute for Sysiems and Innovation Research ISI KarlsruheGermany

Purpose： This study aims to compare the characteristics of citation disciplinary structure between the G7 countries and the BRICS ***/Methodology/Approach： In this contribution, which uses about 1 million Web of Science publications and two publications years（1993 and 2013）, we compare the G7 countries and the BRICS countries with regard to this type of structure. For the publication year 2013, cosine similarity values regarding the citation disciplinary structures of these countries（and of nine other countries） were used as input to cluster analysis. We also obtained cosine similarity values for a given country and its citation disciplinary structures across the two publication years. Moreover, for the publication year 2013, the within-country JeffreysMatusita distance between publication and citation disciplinary structure was measured. Research limitations： First, the citation disciplinary structures of countries depend on multiple and complex factors. It is therefore difficult to completely explain the formation and change of the citation disciplinary structure of a country. This study suggests some possible causes, whereas detailed explanations might be given by future research. Second, the length of the citation window used in this study is three years. However, scientific disciplines differ in their citation practices. Comparison between citations across disciplines using the same citation window length may affect the citation discipline structure results for some *** limitations： First, the results of this study are based on the WoS database. However, in this database some fields are covered to a greater extent than others, which may affect the results for the citation discipline structure for some studied countries. In future research, we might repeat this study using another database（like Scopus） and, in that case, we would like to make comparisons between the two outcomes. Second, the use of a constant journal setyielded that

关键词： citation disciplinary structure Country Bibliometrics

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