Constructing Of Business Chinese Topic Resource Library For Korean Business Chinese Textbook

With the introduction of the "the belt and road initiative" policy and the continuous development of China’s economy,the economic and trade exchanges between many countries and China are increasing,and the demand for learning business Chinese is increasing.Many schools offer professional courses of business Chinese,and the development of business Chinese textbooks and teaching resources has attracted the attention of many scholars.This paper selects Korean local business Chinese textbooks as the research object.On the one hand,based on large-scale financial news corpus,with the assistance of natural language processing technology,it provides supplementary suggestions on topics and vocabulary for Korean local business Chinese textbooks,and provides ideas and suggestions for updating Korean local business Chinese textbooks.On the other hand,by drawing lessons from the compiling mode of Chinese textbooks for special purposes,a business Chinese topic resource base is constructed.Through web crawling and corpus preprocessing,TF-IDF algorithm is used to extract thesaurus,the topics and core words of topic resource database are manually determined,and PMI algorithm is used to get the related thesaurus.Based on the analysis of learners’ needs,textbook compilation selects topics and related words,compiles texts,calculates the difficulty of the texts,and sorts the texts by the difficulty coefficient.Finally,the textbook is localized.It is beneficial to compile local business Chinese textbooks.