Suppressing microdata to prevent probabilistic classification based inference
Azgın Hintoğlu, Ayça and Saygın, Yücel (2005) Suppressing microdata to prevent probabilistic classification based inference. Lecture notes in computer science, 3674 . pp. 155-169. ISSN 0302-9743 (Print) 1611-3349 (Online)
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Official URL: http://dx.doi.org/10.1007/11552338_11
Enterprises have been collecting data for many reasons including better customer relationship management, and high-level decision making. Public safety was another motivation for large-scale data collection efforts initiated by government agencies. However, such widespread data collection efforts coupled with powerful data analysis tools raised concerns about privacy. This is due to the fact that collected data may contain confidential information, or it can be used to infer confidential information. One method to ensure privacy is to selectively hide confidential data values from the data set to be disclosed. However, with data mining technology it is now possible for an adversary to predict the hidden data values, which is another threat to privacy. In this paper we concentrate on probabilistic classification, which is a specific data mining technique widely used for prediction purposes, and propose methods for downgrading probabilistic classification models in order to block the inference of hidden microdata values.
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