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- W4200144477 abstract "Support vector machine (SVM) is a robust machine learning method and is widely used in classification. However, the traditional SVM training methods may reveal personal privacy when the training data contains sensitive information. In the training process of SVMs, working set selection is a vital step for the sequential minimal optimization-type decomposition methods. To avoid complex sensitivity analysis and the influence of high-dimensional data on the noise of the existing SVM classifiers with privacy protection, we propose a new differentially private working set selection algorithm (DPWSS) in this paper, which utilizes the exponential mechanism to privately select working sets. We theoretically prove that the proposed algorithm satisfies differential privacy. The extended experiments show that the DPWSS algorithm achieves classification capability almost the same as the original non-privacy SVM under different parameters. The errors of optimized objective value between the two algorithms are nearly less than two, meanwhile, the DPWSS algorithm has a higher execution efficiency than the original non-privacy SVM by comparing iterations on different datasets. To the best of our knowledge, DPWSS is the first private working set selection algorithm based on differential privacy." @default.
- W4200144477 created "2021-12-31" @default.
- W4200144477 date "2021-12-01" @default.
- W4200144477 modified "2023-09-26" @default.
- W4200144477 title "Figure 5: The algorithm stability of DPWSS for different ε and σ vs WSS 2 on dataset 9 to 16 without shrinking." @default.
- W4200144477 doi "https://doi.org/10.7717/peerj-cs.799/fig-5" @default.
- W4200144477 hasPublicationYear "2021" @default.
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