Research Progress and Development Trend Evolution of Recommendation System

Based on CNKI and Web of Science, this paper uses the methods of bibliometric, social network analysis, Co-word Analysis and data visualization to analyze the trends in the volume of publications, the organization, high-frequency keywords and their relevance, and explore the research hotspots and development trends in this field. Through the analysis of the development process of foreign research, we can find the change in international influence of domestic research.