Spatial K-anonymity: A Privacy-preserving Method for COVID-19 Related Geo-spatial Technologies
The paper examines how spatial k-anonymity can protect location data while retaining practical utility for systems such as contact tracing and travel heat maps. It compares the approach with differential privacy, geo-indistinguishability, and consent-based redaction.
Rohan Iyer, Regina Rex, Kevin P. McPherson, Darshan Gandhi, Aryan Mahindra, Abhishek Singh, and Ramesh Raskar