Lec11b - COMP7370 Advanced Computer and Network Security...

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COMP7370 Advanced Computer and Network Security Generalizing Data to Provide Anonymity when Disclosing Information (3) Comments on homework 2. Review: K-anonymity T[Q1]: T[ethnicity] : each sequence; 2 sequences; both 5 “black” and 6 “Caucasian” >= k (say k is 4) T[Q2]: T[sex]: 2 sequences: both 7 “male” and 4 “female” >= 4 Key Approach: Hide partial information by generalizing values How to present a process of hiding partial information? Value Generalization Hierarchies
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Lec11b - COMP7370 Advanced Computer and Network Security...

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