| 摘要 |
PROBLEM TO BE SOLVED: To provide a technique which discloses sufficiently anonymized information of an individual in an auction form and enables the information to be used for an information distribution from a successful bidder to the individual.SOLUTION: An information processing apparatus acquires object data including a plurality of items corresponding to individuals, generates abstraction candidate data by changing a word which is a value of an item in the object data to an abstracted word, receives worth of a word included in the abstraction candidate data and obtains worth of the abstraction candidate data on the basis of the worth of the word, examines on condition that a combination of the values of the items of the abstraction candidate data is not limited to an individual of the object data, discloses the abstraction candidate data selected on the basis of the worth of the abstraction candidate data which satisfies the condition of the examination as anonymous information of a bid object, receives bid conditions to distribute distribution information to each of individuals for the anonymous information, determines a successful bid on the basis of the bid conditions of the bid data, and distributes the distribution information to each of individuals corresponding to the anonymous information of the successful bid. |
