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Confidential outsourced support vector machine learning based on well-separated structure
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DOI：10.1016/j.future.2024.107564.png)
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摘要
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Support Vector Machine (SVM) has revolutionized various domains and achieved remarkable successes. This progress relies on subtle algorithms and more on large training samples. However, the massive data collection introduces security concerns. To facilitate secure integration of data efficiently for building an accurate SVM classifier, we present a non-interactive protocol for privacy-preserving SVM, named NPSVMT. Specifically, we define anew well-separated structure for computing gradients that can decouple the fusion matter between user data and model parameters, allowing data providers to outsource the collaborative learning task to the cloud. Asa result, NPSVMT is capable of removing the multiple communications and eliminating the straggler's effect (waiting for the last), thereby going beyond those developed with interactive methods, e.g., federated learning. To further decrease the data traffic, we introduce a high-efficient coding method to compress and parse training data. In addition, unlike outsourced schemes based on homomorphic encryption or secret sharing, NPSVMT exploits functional encryption to maintain the data confidentiality, achieving dropout-tolerant secure aggregation. The implementations verify that NPSVMT is faster by orders of magnitude than the existing privacy-preserving SVM schemes on benchmark datasets.
Keyword:
Support vector machine
Privacy-preserving
Non-interactive
Well-separated structure
Compression and parsing
Functional encryption
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6.1
论文数:
6.9K
被引数:
2.3W
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