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<p>The application of deep learning technologies in constructing infectious disease prediction models has significantly enhanced public health strategies; however, the imperative for medical data privacy often prevents institutions from sharing diverse datasets, leading to data silos and diminished predictive accuracy. To address these challenges, we propose a multi-layered privacy-preserving framework that balances security and computational performance. First, we introduce a Random Transmission Hybrid Homomorphic algorithm that integrates CKKS fully homomorphic encryption with Paillier semi-homomorphic mechanisms, optimized by a random transmission sequence. Experimental evaluations demonstrate that this hybrid approach achieves a 25% improvement in computational and communication efficiency compared to conventional homomorphic encryption methods by reducing ciphertext overhead and skipping redundant update cycles. Second, we developed the Data Selection-Distributed Selection Stochastic Gradient Descent (DS-DSSGD) algorithm to optimize the trade-off between training speed and predictive accuracy. By filtering insignificant gradient updates and focusing on high-contribution features, the DS-DSSGD algorithm ensures high model precision even under the increased computational demands of privacy-preserving technologies. Finally, these innovations are integrated into the XDP Privacy Data Sharing Platform, providing a secure environment for end-to-end data lifecycle management. Collectively, our results indicate that the proposed framework not only safeguards sensitive health information but also maintains the high-precision forecasting capabilities essential for effective epidemic response.</p>

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A data privacy protection method for infectious disease prediction models with balanced training speed and accuracy

  • 期刊论文

  • 出版模式：

    开放获取

  • 发表日期：

    2026年2月5日

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  • Xinhang Wang,
  • Yuncheng Jiang,
  • Guangming Pan,
  • Zhen Luo,
  • Ming Xiao,
  • Li Yang,
  • Xiaoqiu Shi,
  • Ying Huo,
  • Mianyang Li,
  • Le Zhang

摘要

The application of deep learning technologies in constructing infectious disease prediction models has significantly enhanced public health strategies; however, the imperative for medical data privacy often prevents institutions from sharing diverse datasets, leading to data silos and diminished predictive accuracy. To address these challenges, we propose a multi-layered privacy-preserving framework that balances security and computational performance. First, we introduce a Random Transmission Hybrid Homomorphic algorithm that integrates CKKS fully homomorphic encryption with Paillier semi-homomorphic mechanisms, optimized by a random transmission sequence. Experimental evaluations demonstrate that this hybrid approach achieves a 25% improvement in computational and communication efficiency compared to conventional homomorphic encryption methods by reducing ciphertext overhead and skipping redundant update cycles. Second, we developed the Data Selection-Distributed Selection Stochastic Gradient Descent (DS-DSSGD) algorithm to optimize the trade-off between training speed and predictive accuracy. By filtering insignificant gradient updates and focusing on high-contribution features, the DS-DSSGD algorithm ensures high model precision even under the increased computational demands of privacy-preserving technologies. Finally, these innovations are integrated into the XDP Privacy Data Sharing Platform, providing a secure environment for end-to-end data lifecycle management. Collectively, our results indicate that the proposed framework not only safeguards sensitive health information but also maintains the high-precision forecasting capabilities essential for effective epidemic response.