Title:
PRIVACY PROTECTION DEVICE, METHOD, AND PROGRAM
Document Type and Number:
Japanese Patent JP2016148993
Kind Code:
A
Abstract:
PROBLEM TO BE SOLVED: To provide a privacy protection device, method, and program, even when a table provided to users is leaked, capable of specifying a user who leaks the table.SOLUTION: A privacy protection device 10: randomly selects a record that is different for each user out of records included in a specific group; and executes prior processing of deleting original records before generalization that correspond to records included in the specific group, from the original table before the generalization, and adding a record generated on the basis of the selected record. The privacy protection device 10 anonymizes the pre-processed table and causes table storage means 31 to store the anonymized table having different features for each user in association with each user.SELECTED DRAWING: Figure 1
Inventors:
KIYOMOTO SHINSAKU
MIYAKE MASARU
MIYAKE MASARU
Application Number:
JP2015025338A
Publication Date:
August 18, 2016
Filing Date:
February 12, 2015
Export Citation:
Assignee:
KDDI CORP
International Classes:
G06F21/62; G06F17/30; G09C1/00
Domestic Patent References:
| JP2006140944A | 2006-06-01 | |||
| JP2005222135A | 2005-08-18 | |||
| JP2006140944A | 2006-06-01 | |||
| JP2005222135A | 2005-08-18 |
Attorney, Agent or Firm:
Masayuki Masabayashi
Hayashi Ichiyoshi
Hayashi Ichiyoshi
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