Privacy Inference Disclosure Control with Access- Unrestricted Data Anonymity1

The term “privacy” is generally used as “the right to select what personal information about me is known to what people” (Westin, 1976). In a technical view, data privacy protection is to manage individual data in a privacy aware way, including determination of when, how and to what extent such data can be communicated to others with what special features. Privacy is becoming a hot concern for both individuals and organizations. In the past thirty years, a lot of research studies have been contributed to data privacy. Roughly, these studies can be classified into two types: access-restricted and access-unrestricted. The access-restricted type focuses on how to protect privacy through restricting user access to the private data: A user can access the data only if he/ she satisfies the access constraints predefined on the data. The access-unrestricted type concerns on data publication, making them oriented to most users and at the same time avoiding possibly compromised privacy disclosure. In the access-restricted type studies, researchers usually AbstrAct