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Census data and medical data are referred as micro data. Data publish schemes are used to provide private data for analysis. Privacy preservation is used to protect private data values. Anonymity is considered in the privacy preservation process. Privacy preservation is applied to protect individual private information. Statistical and Anonymization techniques are used for privacy preservation. Sensitive attribute values are hided in the privacy preservation process. Generalization and suppression protocols are used for the privacy. K-anonymity technique is used to protect sensitive attributes. Suppression protocol is used to hide attribute values. Generalization protocol is used to group up similar categories. Commutative product homomorphic encryption scheme is used for confidentiality.
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