Privacy-Preserving Outsourced Clinical Decision Support System in the Cloud

  • SCI-E
  • EI
作者: Liu, Ximeng;Deng, Robert H.;Choo, Kim-Kwang Raymond;Yang, Yang
作者机构: College of Mathematics and Computer Science, Fuzhou University, Fuzhou, Fujian Province China (e-mail: yang.yang.research@gmail.com)
Department of Information Systems and Cyber Security, University of Texas at San Antonio, 12346 San Antonio, Texas United States 78249-1644 (e-mail: raymond.choo@fulbrightmail.org)
College of Mathematics and Computer Science, Fuzhou University, 12423 Fuzhou, Fujian China (e-mail: snbnix@gmail.com)
Singapore Management University, Singapore, Singapore Singapore (e-mail: robertdeng@smu.edu.sg)
语种: 英文
关键词: Bayes method - Clinical decision support systems - Cloud computing environments - Fully homomorphic encryption schemes - Naive Bayesian Classifier - Personal health informations - Privacy preserving - Single instruction multiple data
期刊: IEEE Transactions on Services Computing
ISSN: 1939-1374
年: 2021
摘要: In this paper, we propose a privacy-preserving clinical decision support system using Naive Bayesian (NB) classifier, hereafter referred to as Peneus, designed for the outsourced cloud computing environment. Peneus allows one to use patient health information to train the NB classifier privately, which can then be used to predict a patients (undiagnosed) disease based on his/her symptoms in a single communication round. Specifically, we design secure Single Instruction Multiple Data (SIMD) integer circuits using the fully homomorphic encryption scheme, which can greatly increase the performance compared with the original secure integer circuit. Then, we present a privacy-preserving historical Personal Health Information (PHI) aggregation protocol to allow different PHI sources to be securely aggregated without the risk of compromising the privacy of individual data owner. Also, secure NB classifier is constructed to achieve secure disease prediction in the cloud without the help of an additional non-colluding computation server. We then demonstrate that Peneus achieves the goal of patient health status monitoring without privacy leakage to unauthorized parties, as well as the utility and the efficiency of Peneus using simulations and analysis.<br/> IEEE

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Privacy-Preserving Outsourced Clinical Decision Support System in the Cloud
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