China's research contribution in big data
作者机构：Chinese Academy of Science and Education Evaluation(CASEE)Hangzhou Dianzi UniversityHangzhouChina Academy of Data Science and Informetrics(ADSI)Hangzhou Dianzi UniversityHangzhouChina
出 版 物：《Data Science and Informetrics》 (数据科学与信息计量学（英文）)
年 卷 期：2021年第1卷第3期
页 面：1-13页
学科分类：12[管理学] 1201[管理学-管理科学与工程(可授管理学、工学学位)]
基 金：supported by the National Social Science Foundation of China(Grant No.19ZDA348)
主 题：Big data Science overlay mapping China Research contribution
摘 要：Big data is one of the current and future research *** has received international attention,and some countries have even upgraded big data research to a national ***,it is interesting to understand the status quo of big data research and identify the status and contribution of a *** study is divided into two *** first part of this study combines core lexical query and expanded lexical query to get relatively integral publications’data sets on big *** relationships and a maximum connected subgraph algorithm are used to clean and filter unrelated *** the Leiden algorithm is selected to cluster the citation network for big data and VOSviewer is used to map the big data knowledge *** the second part of this study,we analyze China’s research contribution in terms of research output and highly-cited *** order to better show the distribution of big data research in China,we utilized science overlay mapping to visualize the status quo of China’s research in big *** study shows that China is one of the most important countries in big data research and the research covers almost all areas of big ***,the research performance is relatively *** terms of knowledge structure with science overlay mapping,China’s research mainly focuses on cloud computing,the Internet of Things(Io T),and social ***,research topics with a greater rate of highly-cited papers are mainly found in cloud computing,big data medicine,and Industry *** topics are also the dominant areas of China’s big data research.
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