Exploring the similarity space
ACM SIGIR Forum
Journal of the ACM (JACM)
Managing gigabytes (2nd ed.): compressing and indexing documents and images
Managing gigabytes (2nd ed.): compressing and indexing documents and images
ACM Computing Surveys (CSUR)
Practical Techniques for Searches on Encrypted Data
SP '00 Proceedings of the 2000 IEEE Symposium on Security and Privacy
Searchable symmetric encryption: improved definitions and efficient constructions
Proceedings of the 13th ACM conference on Computer and communications security
Multi-Dimensional Range Query over Encrypted Data
SP '07 Proceedings of the 2007 IEEE Symposium on Security and Privacy
Confidentiality-preserving rank-ordered search
Proceedings of the 2007 ACM workshop on Storage security and survivability
Extending Fagin's Algorithm for More Users Based on Multidimensional B-Tree
ADBIS '08 Proceedings of the 12th East European conference on Advances in Databases and Information Systems
Zerber+R: top-k retrieval from a confidential index
Proceedings of the 12th International Conference on Extending Database Technology: Advances in Database Technology
Predicate Privacy in Encryption Systems
TCC '09 Proceedings of the 6th Theory of Cryptography Conference on Theory of Cryptography
Secure kNN computation on encrypted databases
Proceedings of the 2009 ACM SIGMOD International Conference on Management of data
Privacy-preserving similarity-based text retrieval
ACM Transactions on Internet Technology (TOIT)
Conjunctive, subset, and range queries on encrypted data
TCC'07 Proceedings of the 4th conference on Theory of cryptography
Achieving secure, scalable, and fine-grained data access control in cloud computing
INFOCOM'10 Proceedings of the 29th conference on Information communications
Computationally efficient searchable symmetric encryption
SDM'10 Proceedings of the 7th VLDB conference on Secure data management
Mining of Massive Datasets
Privacy preserving keyword searches on remote encrypted data
ACNS'05 Proceedings of the Third international conference on Applied Cryptography and Network Security
PKC'10 Proceedings of the 13th international conference on Practice and Theory in Public Key Cryptography
Enabling Secure and Efficient Ranked Keyword Search over Outsourced Cloud Data
IEEE Transactions on Parallel and Distributed Systems
Public key encryption with conjunctive keyword search and its extension to a multi-user system
Pairing'07 Proceedings of the First international conference on Pairing-Based Cryptography
Search pattern leakage in searchable encryption: Attacks and new construction
Information Sciences: an International Journal
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With the increasing popularity of cloud computing, huge amount of documents are outsourced to the cloud for reduced management cost and ease of access. Although encryption helps protecting user data confidentiality, it leaves the well-functioning yet practically-efficient secure search functions over encrypted data a challenging problem. In this paper, we present a privacy-preserving multi-keyword text search (MTS) scheme with similarity-based ranking to address this problem. To support multi-keyword search and search result ranking, we propose to build the search index based on term frequency and the vector space model with cosine similarity measure to achieve higher search result accuracy. To improve the search efficiency, we propose a tree-based index structure and various adaption methods for multi-dimensional (MD) algorithm so that the practical search efficiency is much better than that of linear search. To further enhance the search privacy, we propose two secure index schemes to meet the stringent privacy requirements under strong threat models, i.e., known ciphertext model and known background model. Finally, we demonstrate the effectiveness and efficiency of the proposed schemes through extensive experimental evaluation.