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- W4313200020 abstract "Traditional privacy-preserving technologies have been unable to provide adequate protection and are vulnerable to background knowledge. MapReduce is parallel distributed computing model which has the advantages of good scalability and high fault tolerance. In this paper, we design a differential privacy protection based on MapReduce for the security problems faced in the distributed environment. Firstly, we propose a random forest algorithm DPMRRF that satisfies differential privacy under the MapReduce framework. Secondly, we use the MapReduce framework in the Hadoop platform to make the classification results satisfy differential privacy by adding random noise values to the leaf nodes. Finally, through the design of the feature selection scheme combined with the index mechanism, three different privacy budget allocation methods are adopted, namely, equal distribution, equal distribution and equal distribution. Experiments show that the algorithm has better classification accuracy while ensuring data availability. The proposed algorithm effectively improves the classification accuracy and operating efficiency, and greatly reduces the amount of computation." @default.
- W4313200020 created "2023-01-06" @default.
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- W4313200020 date "2022-01-01" @default.
- W4313200020 modified "2023-09-26" @default.
- W4313200020 title "A Novel Distributed Differential Privacy Preserving Based on Random Forest in Data Centers" @default.
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- W4313200020 doi "https://doi.org/10.1016/j.procs.2022.11.340" @default.
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