Topic Modelling And Social Network Analysis Of Publications And Patents In Humanoid Robot Technology
JOURNAL OF INFORMATION SCIENCE(2021)
摘要
This article presents analysis of data from scientific articles and patents to identify the evolving trends and underlying topics in research on humanoid robots. We used topic modelling based on latent Dirichlet allocation analysis to identify underlying topics in sub-areas in the field. We also used social network analysis to measure the centrality indices of publication keywords to detect important and influential sub-areas and used co-occurrence analysis of keywords to visualise relationships among subfields. The research result is useful to identify evolving topics and areas of current focus in the field of humanoid technology. The results contribute to identify valuable research patterns from publications and to increase understanding of the hidden knowledge themes that are revealed by patents.
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关键词
Centrality, patents, research papers, social network analysis, topic model
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