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An Integrated Access Control for Securely Querying and Updating XML Data

Duong, M. and Zhang, Y.

    Many existing access controls use node filtering or querying rewriting techniques. These techniques require rather time-consuming processes such as parsing, labeling, pruning and/or rewriting queries into safe ones each time a user requests a query or takes an action. In this paper, we propose a fine-grained access control model, named SecureX, which supports read and write privileges. With our novel access control concept, various access types are introduced, including those for determining if a user has the right to change XML structure. Furthermore, SecureX can be integrated well with a dynamic labeling scheme to eliminate repetitive labeling and pruning processes when determining a user view. This brings about advantages of speeding up searching and querying processes. When comparing to a traditional node filtering technique, our integrated access control model takes less processing steps. Experiments have shown effectiveness of our approach.
Cite as: Duong, M. and Zhang, Y. (2008). An Integrated Access Control for Securely Querying and Updating XML Data. In Proc. Nineteenth Australasian Database Conference (ADC 2008), Wollongong, NSW, Australia. CRPIT, 75. Fekete, A. and Lin, X., Eds. ACS. 75-83.
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