The present invention relates to technology about a system which compares and analyzes research data such as papers and intellectual properties to analyze convergence research among researchers who belong to different research fields, and constructs a visualization map about the researchers related to the convergence research. According to the present invention, the system comprises: a data extraction unit extracting a researcher and a research abstract from the research data to construct a database; a morpheme analysis unit extracting a noun and an adjective from the research abstract to generate a word set; a topic modeling unit using a corpus to extract topic words, which become a subject of the research data, from the word set and grouping the related topic words to form a topic group; a user question unit receiving a search sentence from a user; a similarity measurement unit using the search sentence and the topic group to search for a key researcher and comparing the topic group extracted from the research data of the key researcher with the topic group extracted from other research data to search for a related researcher who is determined to perform a similar research to that of the key researcher; and a visualization unit forming and displaying a network in which the key researcher and related researchers searched in the similarity search unit are interconnected.;COPYRIGHT KIPO 2020
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