Improved solving method for quasi-identifier in k-anonymization
An identifier, unmarked technology, applied in the field of privacy protection in information security, can solve problems such as efficiency, achieve the effect of improving efficiency, ensuring accuracy, and reducing time complexity
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[0089] Below in conjunction with the accompanying drawings, the specific implementation of the present invention will be described by taking Tables 3, 4, 5, and 6 in the definitions as examples.
[0090] Input: identifier Name, sensitive attribute Disease, data table set {T 1 , T 2 …T n };
[0091] Output: If the Name can be inferred from the Disease, then output the set of path sequences from the Disease to the Name, otherwise output an empty set;
[0092] The specific process is as follows:
[0093] 1) Set the data table {T 1 , T 2 …T n } into a hypergraph, with Disease as the starting point and Name as the ending point.
[0094] Map the data table set (table 3, 4, 5, 6) into a hypergraph H according to the above-mentioned mapping method from the data table set to the hypergraph, such as image 3 shown.
[0095] 2) Set the data table {T 1 , T 2 …T n } into a hypergraph
[0096] Transform the hypergraph H into a hypergraph according to Defi...
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