Title:
MASKING DETERMINATION DEVICE, MASKING DETERMINATION METHOD, AND PROGRAM
Document Type and Number:
Japanese Patent JP2017083931
Kind Code:
A
Abstract:
PROBLEM TO BE SOLVED: To determine whether masked data is properly masked.SOLUTION: An item information amount calculation section calculates an item information amount with which an individual can be identified in each of the records of masked data. A record information amount calculation section calculates a record information amount in which item information amount of each item is summed for each record. A masking determination section determines whether the data is properly masked based on the record information amount.SELECTED DRAWING: Figure 2
Inventors:
YAMADA HIROTAKA
Application Number:
JP2015208690A
Publication Date:
May 18, 2017
Filing Date:
October 23, 2015
Export Citation:
Assignee:
HITACHI SYSTEMS LTD
International Classes:
G06F21/62; G06F17/30
Attorney, Agent or Firm:
Shoyo domestic and overseas patent office
Previous Patent: A printing system, a printer, and a recording medium
Next Patent: Commercial establishment search system
Next Patent: Commercial establishment search system