| 摘要 |
PURPOSE: An apparatus and method of visualizing a keyword are provided to enable a user to intuitively understand the correlation between keywords and the occurrence frequency of the keyword. CONSTITUTION: A keyword extraction unit(110) extracts a keyword from data obtained through the Internet, and a frequency analysis unit(120) increase the frequency value of a corresponding keyword. If plural keywords are extracted from a single data, a correlation analysis unit(130) increases the correlation value between extracted keywords. An information storage unit(140) stores the occurrence frequency value for each keyword and the correlation value between keywords.
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