NDLI: An efficient privacy-preserving multi-keyword search over encrypted cloud data with ranking

Content Provider	Springer Nature Link
Author	Örencik, Cengiz Savaş, Erkay
Copyright Year	2013
Abstract	Information search and retrieval from a remote database (e.g., cloud server) involves a multitude of privacy issues. Submitted search terms and their frequencies, returned responses and order of their relevance, and retrieved data items may contain sensitive information about the users. In this paper, we propose an efficient multi-keyword search scheme that ensures users’ privacy against both external adversaries including other authorized users and cloud server itself. The proposed scheme uses cryptographic techniques as well as query and response randomization. Provided that the security and randomization parameters are appropriately chosen, both search terms in queries and returned responses are protected against privacy violations. The scheme implements strict security and privacy requirements that essentially disallow linking queries featuring identical search terms. We also incorporate an effective ranking capability in the scheme that enables user to retrieve only the top matching results. Our comprehensive analytical study and extensive experiments using both real and synthetic datasets demonstrate that the proposed scheme is privacy-preserving, effective, and highly efficient.
Starting Page	119
Ending Page	160
Page Count	42
File Format	PDF
ISSN	09268782
Journal	Distributed and Parallel Databases
Volume Number	32
Issue Number	1
e-ISSN	15737578
Language	English
Publisher	Springer US
Publisher Date	2013-03-07
Publisher Place	Boston
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Privacy-preserving keyword search Multi-keyword Cloud storage Ranking Database Management Data Structures Information Systems Applications (incl. Internet) Operating Systems Memory Structures
Content Type	Text
Resource Type	Article
Subject	Information Systems and Management Information Systems Software Hardware and Architecture

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