A Survey on Anonymity-Based Privacy Preserving

In recent years, with the development of information technology, the operation of enterprises has gone through a drastic revolution. Data information flow became the lifeblood of enterprises. However, in such a situation, people would worry about disclosure of privacy and are likely to provide phony information rather than the authentic. So with the development of data analysis and processing technique, the privacy disclosure problem about individual or company is inevitably exposed when releasing or sharing data to mine useful decision information and knowledge, then give the birth to the research field on privacy preserving. The technology of privacy preserving has become the focus of the researcher home and abroad in recent years. In order to protect individuals´ privacy, the technology of anonymity has been proposed to protect sensitive attributes from the corresponding identifiers. This paper intends to reiterate several anonymity-based privacy preserving technologies clearly and then proceeds to analyze the merits and shortcomings of these technologies.