Reliable medical recommendation systems with patient privacy

  • Authors:
  • T. Ryan Hoens;Marina Blanton;Aaron Steele;Nitesh V. Chawla

  • Affiliations:
  • University of Notre Dame, IN;University of Notre Dame, IN;University of Notre Dame, IN;University of Notre Dame, IN

  • Venue:
  • ACM Transactions on Intelligent Systems and Technology (TIST) - Survey papers, special sections on the semantic adaptive social web, intelligent systems for health informatics, regular papers
  • Year:
  • 2013
  • Smart Health and Wellbeing

    ACM Transactions on Management Information Systems (TMIS) - Special Issue on Informatics for Smart Health and Wellbeing

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Abstract

One of the concerns patients have when confronted with a medical condition is which physician to trust. Any recommendation system that seeks to answer this question must ensure that any sensitive medical information collected by the system is properly secured. In this article, we codify these privacy concerns in a privacy-friendly framework and present two architectures that realize it: the Secure Processing Architecture (SPA) and the Anonymous Contributions Architecture (ACA). In SPA, patients submit their ratings in a protected form without revealing any information about their data and the computation of recommendations proceeds over the protected data using secure multiparty computation techniques. In ACA, patients submit their ratings in the clear, but no link between a submission and patient data can be made. We discuss various aspects of both architectures, including techniques for ensuring reliability of computed recommendations and system performance, and provide their comparison.