| 摘要 |
<P>PROBLEM TO BE SOLVED: To protect privacy while leaving an inclination of appearance distribution of an original value. <P>SOLUTION: The information processing method includes steps of: determining, for every type of attribute values of a first attribute that is included in a plurality of records and designated as an object of ambiguity, whether or not a distribution of the number of records satisfies a condition representing to have a large deviation, from data stored in a data storage part for storing the number of records in which the attribute values of the first attribute appear, in the plurality of records; and when the distribution of the number of records satisfies the condition representing to have the large deviation, replacing the attribute value of the first attribute of at least one record of the plurality of records, by ambiguity data, and storing them in the data storage part. <P>COPYRIGHT: (C)2013,JPO&INPIT |
