Hybrid Microdata Using Microaggregation

Provided by: Reed Business Information
Topic: Data Management
Format: PDF
Statistical disclosure control (also known as privacy-preserving data mining) of microdata is about releasing data sets containing the answers of individual respondents protected in such a way that: the respondents corresponding to the released records cannot be re-identified; the released data stay analytically useful. Usually, the protected data set is generated by either masking (i.e. perturbing) the original data or by generating synthetic (i.e. simulated) data preserving some pre-selected statistics of the original data. Masked data may approximately preserve a broad range of distributional characteristics; although very few of them (if any) are exactly preserved.

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