Xiaoqiang Sun

Privacy-preserving collective reinforcement learning using fully homomorphic encryption in usage-based insurance

Xiaoqiang Sun, Zhiwei Sun, Ting Wang, Guangwu Hu et autres

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Privacy-Preserving Intelligence-based Reinforcement Learning for Large Language Model via Homomorphic Encryption

Feiyang Wu, Xiaoqiang Sun, Zhiwei Sun, Wei Liu et autres

Reinforcement learning (RL) is a widely used framework for sequential decision-making, but conventional RL often struggles with sparse rewards, limited reasoning, and long-horizon dependencies. Intelligence-based reinforcement learning (IRL) introduces intelligence-oriented metrics and is mainly applied to large language models (LLMs) to enhance …

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Privacy-Preserving and Outsourced Multi-Party K-Means Clustering Based on Multi-Key Fully Homomorphic Encryption

Peng Zhang, Teng Huang, Xiaoqiang Sun, Wei Zhao et autres

The clustering algorithm is a useful tool for analyzing medical data. For instance, the k-means clustering can be used to study precipitating factors of a disease. In order to implement the clustering algorithm efficiently, data computation is outsourced to cloud servers, which …

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A Survey on Zero-Knowledge Proof in Blockchain

Xiaoqiang Sun, Fei Richard Yu, Peng Zhang, Zhiwei Sun et autres

Blockchain, which is usually regarded as a public, decentralized and distributed ledger, has attracted significant attention recently. In the environment of blockchain, all historical transaction data are recorded and stored. However, because blockchain is open and transparent, a malicious user may illegally …

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A Survey on Cyber-Security of Connected and Autonomous Vehicles (CAVs)

Xiaoqiang Sun, Fei Richard Yu, Peng Zhang

As the general development trend of the automotive industry, connected and autonomous vehicles (CAVs) can be used to increase transportation safety, promote mobility choices, reduce user costs, and create new job opportunities. However, with the increasing level of connectivity and automation, malicious …

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A Privacy‐Preserving Reinforcement Learning Approach for Dynamic Treatment Regimes on Health Data

Xiaoqiang Sun, Zhiwei Sun, Ting Wang, Jie Feng et autres

Based on the clinical states of the patient, dynamic treatment regime technology can provide various therapeutic methods, which is helpful for medical treatment policymaking. Reinforcement learning is an important approach for developing this technology. In order to implement the reinforcement learning algorithm …

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A Survey on Secure Computation Based on Homomorphic Encryption in Vehicular Ad Hoc Networks

Xiaoqiang Sun, Fei Richard Yu, Peng Zhang, Weixin Xie et autres

In vehicular ad hoc networks (VANETs), the security and privacy of vehicle data are core issues. In order to analyze vehicle data, they need to be computed. Encryption is a common method to guarantee the security of vehicle data in the process …

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New Technology Equipment Selection Strategy of Power Grid Based on Game Theory

Zongjin Li, Yang Nan, Wang Meng, Wenchao Zhang et autres

Private machine learning classification based on fully homomorphic encryption

Xiaoqiang Sun, Peng Zhang, Joseph K. Liu, Jianping Yu et autres

Machine learning classification is an useful tool for trend prediction by analyzing big data. As supporting homomorphic operations over encrypted data without decryption, fully homomorphic encryption (FHE) contributes to machine learning classification without leaking user privacy, especially in the outsouring scenario. In …

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Anonymous Anti-Sybil Attack Protocol for Mobile Healthcare Networks Analytics

Peng Zhang, Xiafei Zhang, Xiaoqiang Sun, Joseph K. Liu et autres

Mobile Healthcare Networks (MHN) continuouslycollect the patients' health data sensed by wearable devices, andanalyze the collected data pre-processed by servers combinedwith medical histories, such that disease diagnosis and treatmentare improved, and the heavy burden on the existing healthservices is released. However, the …

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Utilizing fully homomorphic encryption to implement secure medical computation in smart cities

Xiaoqiang Sun, Peng Zhang, Mehdi Sookhak, Jianping Yu et autres

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Multi-party quantum key agreement protocol secure against collusion attacks

Ping Wang, Zhiwei Sun, Xiaoqiang Sun

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