| 摘要 |
<p>Disclosed are a system for deducting an important keyword with text mining, a method thereof, and a computer readable program recording medium for executing the method. The system for deducting the important keyword comprises a keyword search unit, an importance index calculating unit, and an important keyword deducting unit. The keyword search unit calculates a frequency number of each predetermined keyword for each year within a predetermined year section by using a search engine. The importance index calculating unit calculates a ratio of the frequency number of a target keyword for each year with respect to the sum of frequency of all keywords for each year; calculates an importance index for each year by multiplying the calculated ratio and a predetermined weighted value for each year; and calculates the importance index of the keyword by adding the importance index for each year to the year section. The important keyword deducting unit determines the priority of the keyword importance according to the size of the calculated importance index of the keyword. The present invention is provided to automatically deduct the important keyword for a future in an information processing system, thereby objectively predicting the future without the opinion and the subjective evaluation of an expert.</p> |
