PP Presentation
Example: Mediation for Privacy
Public Health Application
- Needs valid statistical data
- No access to private data
Security Mediator
- Owned by hospital security officer
- Screens query and result
- Default is Manual operation
- Evolves by adding rules
Physicians’ Databases
- Valuable resources
- Need to be aggregated for significance
CDC
Security
Mediator
Private Patient Data
certified
query
source
query
certified
result
unfiltered
result
Gio Wiederhold TIHI Oct96 *