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Volume 2 Issue 3


Privacy Preserving Categorical Data Analysis with Unknown Distortion Parameters

Ling Guo(a), Xintao Wu(a),(*)

Transactions on Data Privacy 2:3 (2009) 185 - 205

Abstract, PDF

(a) Software and Information Systems Department, University of North Carolina at Charlotte, Charlotte, NC 28223, USA.

e-mail:lguo2 @uncc.edu ; xwu @uncc.edu


Abstract

Randomized Response techniques have been investigated in privacy preserving categorical data analysis. However, the released distortion parameters can be exploited by attackers to breach privacy. In this paper, we investigate whether data mining or statistical analysis tasks can still be conducted on randomized data when distortion parameters are not disclosed to data miners. We first examine how various objective association measures between two variables may be affected by randomization. We then extend to multiple variables by examining the feasibility of hierarchical loglinear modeling. Finally we show some classic data mining tasks that cannot be applied on the randomized data directly.

* Corresponding author.


ISSN: 1888-5063; ISSN (Digital): 2013-1631; D.L.:B-11873-2008; Web Site: http://www.tdp.cat/
Contact: Transactions on Data Privacy; Vicenç Torra; Umeå University; 90187 Umeå (Sweden); e-mail:tdp@tdp.cat
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Vicenç Torra, Last modified: 00 : 25 December 12 2014.