Traditional privacy preserving association rule mining algorithms do not consider the correlation of the left hand side and the right hand side, which affect non-restrictive rule support negatively.
传统的隐私保护关联规则挖掘算法由于没有考虑规则左右件相关系数的影响，对非敏感规则的支持度影响很大。
In this paper, the technologies of data mining privacy preserving based on data processing are surveyed; the mechanisms and characteristics of various algorithms are discussed.
文中对基于数据处理的数据挖掘隐私保护技术进行了总结，对各类算法的基本原理、特点进行了探讨。
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