SecureSL: A Privacy-preserving Vertical Cooperative Learning Scheme for Web 3.0

Document Type

Article

Publication Title

IEEE Transactions on Network Science and Engineering

Abstract

Web 3.0 is the highly anticipated new evolution of the World Wide Web that promises greater decentralization, intelligence, and security than its predecessors. Neural networks are a powerful tool that can be used to build more intelligent and personalized web. However, traditional centralized learning of neural networks is limited, and the emerging cooperative learning methods such as federated learning are often restricted to horizontally partitioned data. To enable vertical cooperative learning and tackle the associated privacy preservation issues, we propose SecureSL, a vertical cooperative learning scheme based on split learning. We present an edge-end cooperative learning framework that fits the decentralized feature of Web 3.0. We adopt multi-key homomorphic encryption (MKHE) to ensure the confidentiality of the data, the labels and the trained model, making SecureSL resistant to collusion attacks. Furthermore, we employ the single instruction, multiple data (SIMD) technique and optimize the training process to improve the computational efficiency of MKHE. Finally, we evaluate the privacy preservation performance and the model accuracy of SecureSL through extensive experiments. The results show that our proposed scheme provides a robust solution for vertical cooperative learning in Web 3.0 applications which can address the critical privacy concerns while maintaining the model accuracy.

DOI

10.1109/TNSE.2023.3332760

Publication Date

1-1-2023

Keywords

Computational modeling, Data models, Federated learning, Privacy, Privacy-preserving, Security, Semantic Web, Split learning, Training, Vertical cooperative learning, Web 3.0

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