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Don't reveal my intension: Protecting user privacy using declarative preferences during distributed query processing

Farnan, NL and Lee, AJ and Chrysanthis, PK and Yu, T (2011) Don't reveal my intension: Protecting user privacy using declarative preferences during distributed query processing. In: UNSPECIFIED UNSPECIFIED, 628 - 647. ISBN 9783642238215

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In a centralized setting, the declarative nature of SQL is a major strength: a user can simply describe what she wants to retrieve, and need not worry about how the resulting query plan is actually generated and executed. However, in a decentralized setting, two query plans that produce the same result might actually reveal vastly different information about the intensional description of a user's query to the servers participating its evaluation. In cases where a user considers portions of her query to be sensitive, this is clearly problematic. In this paper, we address the specification and enforcement of querier privacy constraints on the execution of distributed database queries. We formalize a notion of intensional query privacy called (I,A)-privacy, and extend the syntax of SQL to allow users to enforce strict (I,A)-privacy constraints or partially ordered privacy/performance preferences over the execution of their queries. © 2011 Springer-Verlag.


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Item Type: Book Section
Status: Published
CreatorsEmailPitt UsernameORCID
Farnan, NLnlf4@pitt.eduNLF4
Lee, AJadamlee@pitt.eduADAMLEE
Chrysanthis, PKpanos@pitt.eduPANOS0000-0001-7189-9816
Yu, T
Date: 26 September 2011
Date Type: Publication
Access Restriction: No restriction; Release the ETD for access worldwide immediately.
Journal or Publication Title: Lecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics)
Volume: 6879 L
Page Range: 628 - 647
Event Type: Conference
DOI or Unique Handle: 10.1007/978-3-642-23822-2_34
Institution: University of Pittsburgh
Schools and Programs: Dietrich School of Arts and Sciences > Computer Science
Refereed: Yes
ISBN: 9783642238215
ISSN: 0302-9743
Date Deposited: 30 Nov 2012 19:23
Last Modified: 18 Apr 2022 10:55


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