| 摘要 |
<P>PROBLEM TO BE SOLVED: To extract a user who sends widely propagated write information as an influencer in social media. <P>SOLUTION: An influencer extraction device 100 includes an information acquisition part 110 which acquires write information including resending relation information specifying resending relation among users and pieces of write information from the social media, a user information acquisition part 120 which acquires the number of users having link relation with respective users in the social media from the social media, an influencing power analysis part 130 which calculates the degrees of propagation of respective pieces of acquired write information based upon the acquired resending relation information and the acquired number of users having link relation with the respective users, and determines the calculated degrees of propagation as influencing power of users sending or resending the acquired write information, and an extraction part 170 which extracts a user having high calculated influence power as an influencer. <P>COPYRIGHT: (C)2012,JPO&INPIT |
