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Comment
. 2016 Mar 18;351(6279):1274.
doi: 10.1126/science.aad9295.

Comment on "Unique in the shopping mall: On the reidentifiability of credit card metadata"

David Sánchez  1 , Sergio Martínez  2 , Josep Domingo-Ferrer  2
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Comment

Comment on "Unique in the shopping mall: On the reidentifiability of credit card metadata"

David Sánchez et al. Science. .

Abstract

De Montjoye et al. (Reports, 30 January 2015, p. 536) claimed that most individuals can be reidentified from a deidentified transaction database and that anonymization mechanisms are not effective against reidentification. We demonstrate that anonymization can be performed by techniques well established in the literature.

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