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Data Privacy
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Volume 8 Issue 3


Privacy in Data Publishing for Tailored Recommendation Scenarios

João M. Gonçalves(a),(b),(*), Diogo Gomes(b),(c), Rui L. Aguiar(b),(c)

Transactions on Data Privacy 8:3 (2015) 245 - 271

Abstract, PDF

(a) Portugal Telecom Inovação e Sistemas, R. Eng. José Ferreira Pinto Basto, Aveiro, 3810-106, Portugal.

(b) University of Aveiro, Campus Universitário de Santiago, Aveiro, 3810-193, Portugal.

(c) Instituto de Telecomunicaçóes, Campus Universitário de Santiago, Aveiro, 3810-193, Portugal.

e-mail:joao.m.goncalves @ua.pt; dgomes @av.it.pt; ruilaa @ua.pt


Abstract

Personal information is increasingly gathered and used for providing services tailored to user preferences, but the datasets used to provide such functionality can represent serious privacy threats if not appropriately protected. Work in privacy-preserving data publishing targeted privacy guarantees that protect against record re-identification, by making records indistinguishable, or sensitive attribute value disclosure, by introducing diversity or noise in the sensitive values. However, most approaches fail in the high-dimensional case, and the ones that don't introduce a utility cost incompatible with tailored recommendation scenarios. This paper aims at a sensible trade-off between privacy and the benefits of tailored recommendations, in the context of privacy-preserving data publishing. We empirically demonstrate that significant privacy improvements can be achieved at a utility cost compatible with tailored recommendation scenarios, using a simple partition-based sanitization method.

* Corresponding author.

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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; U. of Skövde; PO Box 408; 54128 Skövde; (Sweden); e-mail:tdp@tdp.cat

 


Vicenç Torra, Last modified: 01 : 23 December 13 2015.