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Optimal Distribution of Privacy Budget in Differential Privacy

  • Anis Bkakria
  • Aimilia TasidouEmail author
  • Nora Cuppens-Boulahia
  • Frédéric Cuppens
  • Fatma Bouattour
  • Feten Ben Fredj
Conference paper
Part of the Lecture Notes in Computer Science book series (LNCS, volume 11391)

Abstract

Privacy budget management plays an important role when applying differential privacy, as it sets an upper limit in the ability to utilise the private database. In this paper, we explore the possibility of extending the total allocated privacy budget, taking into consideration the data consumer characteristics and the data utilisation context. To this end, we first study the problem of privacy budget distribution in adaptive multi-data consumer differential privacy use cases. Then, we present an extension of the classic differential privacy formal model that allows taking into consideration data consumers’ information disclosure risk when distributing the privacy budget among them. Finally, we define a method that allows to optimally distribute a given privacy budget among a private database’s data consumers.

Keywords

Differential privacy Privacy budget distribution Information disclosure risk 

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Copyright information

© Springer Nature Switzerland AG 2019

Authors and Affiliations

  • Anis Bkakria
    • 1
  • Aimilia Tasidou
    • 1
    Email author
  • Nora Cuppens-Boulahia
    • 1
  • Frédéric Cuppens
    • 1
  • Fatma Bouattour
    • 2
  • Feten Ben Fredj
    • 2
  1. 1.IMT AtlantiqueCesson-SévignéFrance
  2. 2.Digital & EthicsParisFrance

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