System and method of de-identifying data

Details System and method of de-identifying data System and method of de-identifying data

2007-01-02

2007-01-02

Rimell, Sam (Department: 2164)

Data processing: database and file management or data structures

Database design

Data structure types

C707S793000

Reexamination Certificate

active

10151974

ABSTRACT:
A method of de-identifying data, wherein the data to be de-identified is stored in a transaction table containing transactions and a personal information table containing identifiable information. The method includes the steps of generating a de-identification pointer associated with an individual in the personal information table, wherein the individual is associated with at least one transaction in the transaction table; creating a non-protected transaction table, wherein the non-protected transaction table includes a non-protected transaction reference and non-protected information associated with a transaction from the transactional table; and creating an index table including the identification and the non protected transaction reference. According to a preferred embodiment, the identification is advantageously unique and may also lack context to the individual. According to a further feature, the identification may be random or pseudo-random.

REFERENCES:
patent: 6418441 (2002-07-01), Call
patent: 2001/0054155 (2001-12-01), Hagan et al.
patent: 2002/0002550 (2002-01-01), Berman
patent: 2002/0073099 (2002-06-01), Gilbert et al.

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