中美图书情报领域学科话语权的比较研究OACHSSCDCSTPCD

[Purpose/Significance]A comparative analysis of the subject discourse power status of China and the U-nited States in the field of Information Science and Library Science will help to speed up the construction of a disciplinary system of Philosophy and Social Sciences with Chinese characteristics,and find deficiencies to improve discourse power.[Method/Process]The article first used the LDA topic mining model to realize topic extraction technology and combined the hot topic identification indicators to clarify the distribution trend of hot topics in China and the United States in the field of Information Science and Library Science in the past decade;On this basis,the evaluation indicators of subject discourse status were preliminarily screened,then indicators were selected through expert scoring and the weight of indicators were determined by the same method,forming a quantitative formula for the evaluation of subject discourse power,and then ex-plored the overall status of the discourse power in China and the United States from the perspective of the distribution of hot topics.By sorting out the characteristics and changing trends of hot topics,this paper analyzed the evolution of the subject discourse power of China and the United States in this field from aspects of breadth and depth;Finally,this paper com-bined the theory of discourse analysis to condense the subject discourse power of China and its promotion path.[Result/Conclusion]China's outstanding academic leadership in the field of international Information Science and Library Science has achieved high-quality dissemination of disciplinary discourse,and its great academic influence has helped our country to accumulate discourse power,but there is a long way to go in regulating the contextual control of disciplinary discourse.