Thematic Analysis and Development Trend Research of Science and Technology in the United States Policy in the 21st Century
Since the 21st century,a new round of scientific and technological revolution and industrial transformation has accelerated its evolution.International scientific and technological competition has intensified,particularly among the sci-entific and technological powers and major countries.Analyzing the characteristics of the evolution of the theme of science and technology in the United States'science and technology policy since the 21st century is conducive to observing the de-velopment laws and strategic priorities of this policy.We examined the US macro science and technology policy over the past 20 years,dividing the time stages according to the presidential term of office.Using the embedded topic model,we discovered and analyzed the themes of science and technology policy text,and combined the theme similarity to visually display the evolution process of science and technology in the United States'science and technology policy.We also ana-lyzed the characteristics of this evolution and the focus of its strategy and enlightenment to look forward to future trends in science and technology development.The analysis results indicate that the United States continues to provide stable sup-port for healthcare and biotechnology;long-term focus on STEM technology talent education and training;strengthening innovation in the fields of energy,ecological and environmental science and technology;focus on the development of key cutting-edge fields such as information technology;and the forward layout of national strategic technology industry policies.
science and technology policytopic modelingpolicy quantificationtext analysispolicy informatics
NETL
NSTL
万方数据
