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Enhancing Health Research Privacy Through Spatial Data Encryption

Explore how GRAPHC ensures privacy in health research by utilizing spatial encryption techniques to protect location data while enabling accurate analysis and data sharing. Learn about legal and ethical considerations, de-identification methods, and leveraging ESRI technology for secure data management. Join the live demo to see the system in action.

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Enhancing Health Research Privacy Through Spatial Data Encryption

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  1. National Centre for     Geographic & Resource Analysis in Primary Health Care (GRAPHC) Enabling Location Privacy Without Loss of Location Accuracy Michael Hewett National Centre for Geographic & Resource Analysis in Primary Health Care (GRAPHC),Australian Primary Health Care Research Institute (APHCRI), Australian National University (ANU)

  2. Primary Health Care Research GIS Resource • Spatially enabling data • Providing spatial linking mechanisms • Improving availability of tools & processes • GIS skills resource • Web based mapping Michael Hewett, GRAPHC (http://graphc.aphcri.anu.edu.au)

  3. Primary Health Care Research & Privacy • Especially important in Health Care Research context • Legal and Ethical Protections • Researchers • Doctors/Data Originators • Trust • Researchers need to Share Data • Research Validation • New research • Involves more than just the research data Michael Hewett, GRAPHC (http://graphc.aphcri.anu.edu.au)

  4. Cartophobia Michael Hewett, GRAPHC (http://graphc.aphcri.anu.edu.au)

  5. Privacy: De-identification • Replace name with patient ID. • Remove Location • Use coordinate • Use Suburb or Postcode • Replace location with ID Michael Hewett, GRAPHC (http://graphc.aphcri.anu.edu.au)

  6. Privacy: Coordinates?....... Michael Hewett, GRAPHC (http://graphc.aphcri.anu.edu.au)

  7. Privacy: Suburb or Postcode?....... Michael Hewett, GRAPHC (http://graphc.aphcri.anu.edu.au)

  8. Privacy: Location ID? • Location ID • Cross Linking • Must link to location for processing • GeoHash • Decodable To Location • Encryption • Decryptable • Must be decrypted before Analysis • Cross linking even without decoding Michael Hewett, GRAPHC (http://graphc.aphcri.anu.edu.au)

  9. Other Options • Ethical/Legal clearance to use addresses and coordinates • Pre-aggregation • Third party secure data environments Michael Hewett, GRAPHC (http://graphc.aphcri.anu.edu.au)

  10. So where next? Michael Hewett, GRAPHC (http://graphc.aphcri.anu.edu.au)

  11. - Location without Context- Context without Location GRAPHC - Location User - Context GTAG Patient details • GTAG • Address/Location Name • Point location Michael Hewett, GRAPHC (http://graphc.aphcri.anu.edu.au)

  12. Point LocationsHigh Resolution Analysis And Resampling Michael Hewett, GRAPHC (http://graphc.aphcri.anu.edu.au)

  13. Address Registration Address GTAG Michael Hewett, GRAPHC (http://graphc.aphcri.anu.edu.au)

  14. Authorisation And Geocoding Michael Hewett, GRAPHC (http://graphc.aphcri.anu.edu.au)

  15. Analysis/Geoattribution GTAGs Analysis Result Michael Hewett, GRAPHC (http://graphc.aphcri.anu.edu.au)

  16. Leveraging ESRI Technology GRAPHC Databases & Geodatabases ArcGIS Desktop - Map And Data Layers Model Builder – Geoprocessing Models Custom Code and Scripts leveraging ESRI APIs & libraries Independent Custom Code ArcGIS Server Custom Web APIs GRAPHC ArcGIS Online Maps & Apps Health Landscapes External ESRI users - Desktop, Online, Explorer, etc GRAPHC Custom Tools & Apps 3rd Party Custom Tools & Apps Michael Hewett, GRAPHC (http://graphc.aphcri.anu.edu.au)

  17. Accessing GRAPHC Data Michael Hewett, GRAPHC (http://graphc.aphcri.anu.edu.au)

  18. Indirect Engagement • GTAGs are already being engaged by: • A major data extraction company • A secure data service environment • Several Medicare Locals • Other Universities • Research Projects • Under Review for use by: • CSIRO, CRCSI, • Potential for anywhere that location privacy is important Michael Hewett, GRAPHC (http://graphc.aphcri.anu.edu.au)

  19. How Much does this cost???? • Free location registration and administration. • Cost Recovery Model • Community Cost Sharing • Commercial Use – Contact GRAPHC Michael Hewett, GRAPHC (http://graphc.aphcri.anu.edu.au)

  20. Live Demo Michael Hewett, GRAPHC (http://graphc.aphcri.anu.edu.au)

  21. http://graphc.aphcri.anu.edu.au graphc@anu.edu.au Michael Hewett, GRAPHC (http://graphc.aphcri.anu.edu.au)

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