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Preserving privacy in Web-based e-Health systems

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Preserving privacy in Web-based e-Health systems

Hong, Yuan (2008) Preserving privacy in Web-based e-Health systems. Masters thesis, Concordia University.

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Abstract

Safeguarding patients' private information is one of the most challenging issues in the design and implementation of modern e-Health systems. A patient's consent should usually be obtained before his/her private information can be disclosed. Recent advances in Hippocratic Databases (HDB) show a promising direction towards the enforcement of privacy policies in e-Health systems. With HDB, patients need to specify their privacy preferences about what data to be disclosed to which recipients for what purposes. However, this may become a daunting task in a complicated application that involves potentially a large number of combinations of data recipients, purposes, and granularities of data. This thesis tackles issues in applying the HDB design to e-Health systems. More specifically, I design an architecture for integrating APPEL preferences with HDB, extend the original HDB design to support fine-grained privacy authorizations demanded by patients and adapt the design to a multidimensional model; I propose a series of methods for patients to more conveniently specify their privacy preferences based on the hierarchies naturally existing in each dimension of a privacy preference, define meta-policies to resolve potential conflicts between preferences specified over time, and discuss how to represent such preferences with a snow-flake schema in backend databases. Finally, I illustrate the implementation issues and justify my designs with experimental results.

Divisions:Concordia University > Gina Cody School of Engineering and Computer Science > Computer Science and Software Engineering
Item Type:Thesis (Masters)
Authors:Hong, Yuan
Pagination:x, 81 leaves : ill. ; 29 cm.
Institution:Concordia University
Degree Name:M. Comp. Sc.
Program:Computer Science and Software Engineering
Date:2008
Thesis Supervisor(s):Dssouli, Rachida
ID Code:975753
Deposited By: Concordia University Library
Deposited On:22 Jan 2013 16:14
Last Modified:18 Jan 2018 17:41
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