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德克萨斯大学奥斯汀分校2013年发表于《自然》杂志的研究表明，在移动数据集中仅需4个时空锚点就足以以95%精度唯一识别一个个体，即便数据已匿名化

1

Sources

50%

Confidence

Long-term

Relevance

7/20/2026

First Seen

Sources

American Communities Are Fighting Back Against Flock Surveillance Cameras: Privacy Rights vs. AI Surveillance

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