Explore a 24-minute conference talk from USENIX HealthTech '14 that delves into the critical issue of privacy preservation in Health Information Exchange (HIE) systems. Learn about the innovative l-PPLS technique for differentiated privacy protection when searching HIE databases. Discover how this approach addresses the varying levels of sensitivity in patient data across different types of hospitals, particularly focusing on protecting information about visits to specialty healthcare facilities. Understand the importance of clustering hospitals to obscure their specialties, preventing attackers from inferring patients' medical conditions based on their visit history. Gain insights into the challenges of balancing data sharing and privacy in emerging HIE systems, presented by researchers from the Georgia Institute of Technology.
Searching HIE with Differentiated Privacy Preservation
Overview
Syllabus
HealthTech '14 - Searching HIE with Differentiated Privacy Preservation
Taught by
USENIX
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