关键词: 物联网, SCI, 科技论文, 文献计量, 词云分析

Abstract: In order to compare the differences in the research statusin of the internet of things between China and the United States, objectively understand the strength, level and status of scientific research in the field of the internet of things in China, and provide valuable information for the rapid development of the internet of things industry in China, this paper takes SCI academic papers in the field of the internet of things in Mainland China and the United States from 2009 to 2018 as data sources, reveals the current research situation in the field of the internet of things between China and the United States from the perspectives of the output of the papers, disciplines, keywords and highly cited papers by bibliometrics and word cloud analysis. The results show that although the output of the papers in China is stronger than that in the United States, there is a gap in the influence of academic papers between China and the United States. In the future, China should further enhance its independent innovation ability, broaden the breadth and depth of the internet of things research, especially strengthen the research and development of key technologies and core technologies with independent intellectual property rights, enhance its international influence and competitiveness.

Key words: internet of things, SCI, scientific papers, bibliometric, word cloud analysis