| 摘要 |
PROBLEM TO BE SOLVED: To ensure significance of a psychological attribute and efficiently provide advertisement distribution service by narrowing down significant psychological attributes. SOLUTION: A matrix data originating part 51 originates matrix data, based on purchase history information; a data-screening part 52a automatically detects an abnormal cluster; a data re-analysis part 52b obtains a main component by a main component analysis again and extracts the main component with an eigenvalue of a prescribed value or larger; a psynchological attribute extraction part 52c verifies validity as a psychological attribute from the extracted main component with the eigenvalue of the prescribed value or larger, extracts the psychological attribute and further determines the attribute value of the psychological attribute; and an information-updating part 53 updates psychological attribute information to by-customer psychological attribute information, and an extracting function part 54 extracts customers for advertising, corresponding to the order of an advertiser from the by-customer psychological attribute information. |
