| 摘要 |
<P>PROBLEM TO BE SOLVED: To classify history information resulting from a user's action with high accuracy. Ž<P>SOLUTION: A history processing apparatus firstly executes first processing classifying each item of history data into some history sets on the basis of first conditions in order to classify each item of history data included in user's action history data recorded in chronological order. After completing the first processing, the apparatus executes second processing allotting isolated data, remaining without being classified into the sets through the first processing, into a set on the basis of second conditions relating to recording time points of the history data and the degree of similarity among the items of the history data. Ž<P>COPYRIGHT: (C)2010,JPO&INPIT Ž
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