| 摘要 |
An objective of the present invention is to appropriately anonymize data from a plurality of providers. This information processing device comprises: an index receiving means for receiving a data anonymization index; a number of records measurement means for measuring the number of records which a group which has been segmented for data anonymization purposes contains; a segmenting point determination function selection means for selecting a segmenting point determination function for determining a segmenting point of the group on the basis of the index and the number of records; a segment determination means for computing a segmenting point of data on the basis of the selected segmenting point determination function, and dividing the data into groups; and an abstraction means for anonymizing the data on the basis of the groups. |
