R. Conway and D. Strip. Selective partial access to a database. In Proc. ACM Annual Conf., pages 85--89, 1976. Home/Search Document Not in Database Summary Related Articles Check |
This paper is cited in the following contexts:
Privacy Preserving Mining of Association Rules - Evfimievski, Srikant.. (2002) (48 citations) (Correct)
....feasibility of building accurate classification models using training data in which the sensitive numeric values in a user s record have been randomized so that the true values cannot be estimated with sufficient precision. Randomization is done using the statistical method of value distortion [12] that returns a value x i r instead of x i where r is a random value drawn from some distribution. They proposed a Bayesian procedure for correcting perturbed distributions and presented three algorithms for building accurate decision trees [9] 21] that rely on reconstructed distributions. ....
R. Conway and D. Strip. Selective partial access to a database. In Proc. ACM Annual Conf., pages 85--89, 1976.
Privacy-Preserving Data Mining - Agrawal, Srikant (2000) (98 citations) (Correct)
....not our goal. As we will see, it is sufficient for us to be able to reconstruct with sufficient accuracy the original distributions of the values of the confidential attributes. We adopt from the statistics literature two methods that a person may use in our system to modify the value of a field [CS76] ffl Value Class Membership. Partition the values into a set of disjoint, mutually exhaustive classes and return the class into which the true value x i falls. ffl Value Distortion. Return a value x i r instead of x i where r is a random value drawn from some distribution. We discuss ....
....true value x i falls. ffl Value Distortion. Return a value x i r instead of x i where r is a random value drawn from some distribution. We discuss further these methods and the level of privacy they provide in the next section. We do not use value dissociation, the third method proposed in [CS76] In this method, a value returned for a field of a record is a true value, but from the same field in some other record. Interestingly, a recent proposal [ECB99] to construct perturbed training sets is based on this method. Our hesitation with this approach is that it is a global method and ....
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R. Conway and D. Strip. Selective partial access to a database. In Proc. ACM Annual Conf., pages 85--89, 1976.
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