HealthTech '14 - Searching HIE with Differentiated Privacy Preservation

Searching HIE with Differentiated Privacy Preservation

Yuzhe Tang and Ling Liu, Georgia Institute of Technology

In emerging Health Information Exchange systems (or HIE), a search facility, such as record locator service, is critically important for data sharing across autonomous hospitals. An understudied problem for searching HIE is the privacy preservation—how to protect the patient’s private visit-history data in the search process and how to address innately different privacy and sensitivity for different patients and hospitals. For instance, knowing that a …

autonomous data data sharing emerging exchange facility georgia health healthtech hospitals important information preservation privacy problem search service sharing systems tang technology