| 摘要 |
PROBLEM TO BE SOLVED: To perform classification for every employment history whose factor portion is common, with respect to employment histories whose users are not classified in detail.SOLUTION: The invention is configured so that: when a range of employment histories which requires classification of employment history is given, an aggregate of the employment histories corresponding to the range is acquired from an employment history DB storing the employment histories which were written in the past about employment object equipment, and a feature amount is extracted from the respective employment history, and the aggregate of the employment histories is classified based on similarity of the feature amount for every same factor portion. |
