PERSONAL INFORMATION ANONYMIZATION METHOD, PROGRAM, AND INFORMATION PROCESSOR

摘要

PROBLEM TO BE SOLVED: To easily evaluate anonymized data.SOLUTION: A personal information anonymization method causes a computer to perform processing which classifies data including personal information into one of a plurality of groups on the basis of a common degree of the personal information, performs anonymization processing for making the personal information common about the personal information included in the group for each of the plurality of groups, also calculates the total number of pieces of data included in a group about each group, classifies the group in accordance with the total number of pieces of data, and outputs a classification result.SELECTED DRAWING: Figure 5