User information management device

Abstract

This invention provides a user information management device that effectively supplements missing information in customer information. It is characterized by comprising: a user information storage means, which stores, in each user identification information, personal information related to the user identified by the user identification information, the personal information including any one or more of attribute information, purchase record information, skin information, health indicator information, and questionnaire response information; and a user information login means, which, in the user information storage means, if any item in the personal information associated with the first user identification information has missing information, logs the missing information associated with the first user identification information based on information related to the missing item in the missing information associated with the second user identification information, wherein the second user identification information has the same or similar first item information as the first item information included in the personal information associated with the first user identification information. To complement missing information in customer information with grounds. And a user information registration unit that registers, in a case where there is missing information in any item of the user personal information associated with first user identification information, the missing information associated with the first user identification information on the basis of information regarding an item related to the missing information associated with second user identification information having first item information that is the same as or similar to the first item information included in the user personal information associated with the first user identification information.

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