[转载]Examining Disclosure Risk vs Data Utility

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Database Security and Confidentiality : Examining Disclosure Risk vs. Data Utility
Managers of database security must ensure that data access does not compromise the confidentiality afforded data providers, whether individuals or establishments. Recognizing that deidentification of data is generally inadequate to protect confidentiality against attack by a data snooper, managers of information organizations (IOs)—such as statistical agencies, data archives, and trade associations—can implement a variety of disclosure limitation (DL) techniques—such as topcoding, noise addition and data swapping—in developing data products.