| 摘要 |
PURPOSE: A small group concern keyword extracting system and a method thereof are provided to obtain the current concern of a user's current intimate small group as the user's current concern, thereby offering a target service which uses concern information of the small group. CONSTITUTION: A keyword extractor(210) extracts a keyword from postings of user personal media. An acquaintance keyword extractor(220) distinguishes intimacy of visitors according to a preset reference. The acquaintance keyword extractor obtains a keyword for visitor personal media of intimacy which is more than a preset level. A keyword weighted sum unit(230) generates a keyword weighted sum list from the obtained keyword. The keyword weighted sum unit distinguishes a high-rank keyword of a large keyword weighted sum as a concern keyword. |
