Anonymous collaboration method based on differential privacy under MapReduce framework
A mapreduce framework and differential privacy technology, applied in the field of data privacy protection, can solve the problems of reduced data privacy protection security, loss of data availability, low processing efficiency, etc., to solve the contradiction between data availability and security, and enhance privacy protection performance , high security and usability effects
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[0041] The present invention provides an anonymous collaborative method based on differential privacy under the MapReduce framework, which is used to combine the characteristics of high availability of anonymity and high security of differential privacy under the framework of MapReduce distributed computing to solve the problem of data availability and security Paradoxically, on the basis of improving data processing efficiency through the MapReduce framework, the data set still maintains high security and availability of data.
[0042] On the basis of providing data anonymity protection, micro-aggregation technology can better reduce the information loss rate, and has high usability, but its security performance is low, and it is easy to suffer homogeneity attacks and background knowledge attacks.
[0043] In terms of security performance, differential privacy has a more rigorous mathematical-based privacy protection model, but some restrictions on querying after the original ...
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