Abstract—This paper uses social network analysis to analyze the QQ group “Harry Potter—Hogwarts”s chat record. It utilizes the software Netdraw to create a specified number of community structure, and adopts the Girvan-Newman algorithm to calculate the modules of different numbers of communities, thus deriving parameters such as the Degree, Eccentricity, Closeness, Betweeness,etc. of community central members in the QQ group. The results are generally compatible with the actual data.
Index Terms—social network analysis, QQ group chat record, MySQL database, community structure, Netdraw
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