Trajectory Recovery From Ash: User Privacy Is NOT Preserved in Aggregated Mobility Data

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Citation: Fengli Xu, Zhen Tu, Yong Li, Pengyu Zhang, Xiaoming Fu, Depeng Jin Trajectory Recovery From Ash: User Privacy Is NOT Preserved in Aggregated Mobility Data.


Wikidata: Q67200063

Download: https://arxiv.org/abs/1702.06270

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Summary:

Describes how individuals' trajectories could be inferred from aggregate time-location data because an individual's mobility pattern is coherent and regular, and different from other individuals' patterns.

Theoretical and practical relevance:

https://blog.acolyer.org/2017/05/15/trajectory-recovery-from-ash-user-privacy-is-not-preserved-in-aggregated-mobility-data/