Volume 3 Number 4 (Apr. 2008)
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JSW 2008 Vol.3(4): 9-16 ISSN: 1796-217X
doi: 10.4304/jsw.3.4. 9-16

A Novel Solution to Query Assurance Verification for Dynamic Outsourced XML Databases

Viet Hung Nguyen, Tran Khanh Dang
Faculty of CSE, HCM University of Technology, Ho Chi Minh City, Vietnam

Abstract—Database outsourcing model is emerging as an important new trend beside the “application-as-aservice” model. In this model, since a service provider is typically not fully trusted, security and privacy of outsourced data are significant issues. These problems are referred to as data confidentiality, user privacy, data privacy, and query assurance. Among them, query assurance takes a crucial role to the success of the database outsourcing model. To the best of our knowledge, however, query assurance, especially for outsourced XML databases, has not been concerned reasonably in any previous work. In this paper, we propose a novel index structure, named Nested Merkle B+-Tree, combining the advantages of B+-tree and Merkle Hash Tree to completely deal with three issues of query assurance known as correctness, completeness and freshness in dynamic outsourced XML databases. Experimental results with real-world datasets prove the efficiency of our proposed solution.

Index Terms—outsourced XML database, query assurance

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Cite: Viet Hung Nguyen, Tran Khanh Dang, " A Novel Solution to Query Assurance Verification for Dynamic Outsourced XML Databases," Journal of Software vol. 3, no. 4, pp. 9-16, 2008.

General Information

ISSN: 1796-217X (Online)
Frequency: Monthly
Editor-in-Chief: Prof. Antanas Verikas
Executive Editor: Ms. Yoyo Y. Zhou
Abstracting/ Indexing: DBLP, EBSCO, ProQuest, INSPEC, ULRICH's Periodicals Directory, WorldCat, etc
E-mail: jsw@iap.org
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