| 摘要 |
<P>PROBLEM TO BE SOLVED: To timely and automatically distribute an advertisement that matches information in which the so-called freshness becomes important and information having the possibility of being suddenly an object of public attention. <P>SOLUTION: The method includes the processes for: extracting a start time, an end time, one or more feature words and the score of each feature word for each prescribed web page carrying a time and text data relating to the time; converting the start time and the end time about the web page into a distribution start time and a distribution end time of a period to be associated with the distribution of an advertisement relating to each feature word according to a predetermined rule for each feature word on each web page, associating the distribution start time and the distribution end time with the feature word to store them in a storing part; and changing the score of each feature word on each web page on the basis of a predetermined parameter including a time from the distribution start time till the distribution end time associated with the feature word, associating the changed score with the feature word and storing the changed score in the storing part. <P>COPYRIGHT: (C)2010,JPO&INPIT |
