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Publication Detail
Does additional information always reduce anonymity?
  • Publication Type:
    Journal article
  • Publication Sub Type:
    Conference Proceeding
  • Authors:
    Diaz C, Troncoso C, Danezis G
  • Publication date:
  • Pagination:
    72, 75
  • Journal:
    WPES'07 - Proceedings of the 2007 ACM Workshop on Privacy in Electronic Society
  • Status:
We discuss information-theoretic anonymity metrics, that use entropy over the distribution of all possible recipients to quantify anonymity. We identify a common misconception: the entropy of the distribution describing the potentialreceivers does not always decrease given more information.We show the relation of these a-posteriori distributions with the Shannon conditional entropy, which is an average overall possible observations. © 2007 ACM.
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