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Laboratoire d'InfoRmatique en Image et Systèmes d'information

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Laboratoire d'InfoRmatique en Image et Systèmes d'information
UMR 5205 CNRS / INSA de Lyon / Université Claude Bernard Lyon 1 / Université Lumière Lyon 2 / École Centrale de Lyon
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Albin Petit


PhD student

Team Distributed Systems, Information Retrieval and Mobility
Institution Institut National des Sciences Appliquées de Lyon
Location Blaise Pascal (INSA)
E-mail albin.petit at
Contact details Publications Thesis
Subject Protecting users privacy in current Web search engines
Abstract The objective of my Ph.D. is to offer the possibility to any user to send queries to a given provider (e.g. Google, Bing) without compromising her privacy. Indeed, the content of each query is used by the provider to create an accurate user profile without any control or agreement of the user. These profiles are owned by the provider and thus, it is able to use this data as it wants.
Solutions to protect the user against this issue already exist but they usually suffer from a huge computational cost (using cryptography or adding noise) and are potentially broken because of statistical attacks. My work will be divided in three main parts: (i) the design of a new privacy preserving Web search protocol; (ii) the creation of a generic module to adapt the protection according to the sensitivity of a query; and (iii) the design an efficient attack against private Web search solutions.
Advisor Lionel Brunie
Advisor Sonia Ben Mokhtar
Encadrant en co-direction Harald Kosch

Last update : 2017-03-20 10:20:33