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المؤلفRiley, Ryan
المؤلفClifton, Chris
المؤلفMalluhi, Qutaibah
تاريخ الإتاحة2024-07-17T07:14:52Z
تاريخ النشر2013
اسم المنشورLecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics)
المصدرScopus
المعرّفhttp://dx.doi.org/10.1007/978-3-642-41098-7_3
الرقم المعياري الدولي للكتاب3029743
معرّف المصادر الموحدhttp://hdl.handle.net/10576/56779
الملخصWith the advent of cloud computing there is an increased interest in outsourcing an organization's data to a remote provider in order to reduce the costs associated with self-hosting. If that database contains information about individuals (such as medical information), it is increasingly important to also protect the privacy of the individuals contained in the database. Existing work in this area has focused on preventing the hosting provider from ascertaining individually identifiable sensitive data from the database, through database encryption or manipulating the data to provide privacy guarantees based on privacy models such as k-anonymity. Little work has been done to ensure that information contained in queries on the data, in conjunction with the data, does not result in a privacy violation. In this work we present a hash based method which provably allows the privacy constraint of an unencrypted database to be extended to the queries performed on the database. In addition, we identify a privacy limitation of such an approach, describe how it could be exploited using a known-query attack, and propose a counter-measure based on oblivious storage.
اللغةen
الناشرSpringer
الموضوعDatabase encryption
K-Anonymity
Medical information
Privacy constraints
Privacy models
Privacy violation
Sensitive datas
Data privacy
Digital storage
Query processing
Query languages
العنوانMaintaining database anonymity in the presence of queries
النوعConference Paper
الصفحات33-48
رقم المجلد8203 LNCS
dc.accessType Abstract Only


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