How Tough Is Location Anonymization? Re-identifying 100K Real-User Trajectories in Japan

Keyphrases

• Activity Profile 50%
• Anonymized Dataset 50%
• Consistent Patterns 50%
• Destructuring 50%
• Downstream Utility 50%
• Geo-indistinguishability 50%
• Japan 100%
• K-anonymity 50%
• Large-scale Mobility 50%
• Local Differential Privacy 50%
• Location Anonymization 100%
• M-point 50%
• Mobility Data 50%
• Mobility Traces 50%
• Multi-anchor 50%
• Personal Data 50%
• Privacy Concerns 50%
• Privacy Mechanisms 50%
• Privacy Parameters 50%
• Publication Standards 50%
• Re-identification (Re-ID) 50%
• Real Users 100%
• Sanitization 50%
• Sanitization Process 50%
• Sensitive Positions 50%
• Spatial Structure 50%
• Spatiotemporal 50%
• Stress Testing 50%
• Temporal Activity 50%
• Temporal Structure 50%
• Trajectory-aware 50%
• Unicity 50%
• User Trajectory 100%

Computer Science

• Anonymity 100%
• Anonymization 100%
• Differential Privacy 100%
• Personal Data 100%
• Reidentification 100%