Access control system to XML databases: a framework

Authors:
Khandoker Asadul Islam;Yoshimichi Watanabe
Affiliations:
University of Yamanashi, Takeda, Kofu, Yamanashi, Japan;University of Yamanashi, Takeda, Kofu, Yamanashi, Japan
Venue:
IMSA '07 Proceedings of the Eleventh IASTED International Conference on Internet and Multimedia Systems and Applications
Year:
2007

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Abstract

The simple structure of XML document makes it very popular as a medium of data transfer and as a data storage. With the popularity of using XML documents, the need of access control system is also increasing. Unlike ordinary documents, an XML document has hierarchical structure and this feature allows us to build an access control system considering parts of the document. Although a number of models for access control to XML documents were already proposed, this is still a research issue. Recently, the key concern is to improve the performance of authorization process. Here, in this paper we propose a general access control system framework, which specifies file level access control as well as data level access control, to a number of XML databases. Also the framework includes a new request authorization process that improves the performance of the process.