Patent ID: 9558369
Date: 2017-01-31
CPC Classifications: G06F,H04L

Claim:
1. An information processing device, comprising: a CPU; and a storage device including a program, wherein the CPU reads the program from the storage device and executes function as: a correspondence information generation unit which generates record-class correspondence information that indicates correspondences between a record included in a data set and a class that specifies unique combinations of quasi-identifier attribute values, which are values of quasi-identifiers included in said record; an anonymity verification unit which verifies anonymity for each said record on the basis of said classes that are indicated in said record-class correspondence information; and a correspondence information update unit which, on the basis of a result of verifying said anonymity, updates said record-class correspondence information in such a way whether or not that said record satisfies said anonymity is distinguishable and outputs said record-class correspondence information.