Article,

RELATIONAL STORAGE FOR XML RULES

, and .
International Journal on Web Service Computing (IJWSC), 3 (4): 33-41 (December 2012)
DOI: 10.5121/ijwsc.2012.3403

Abstract

Very few research works have been done on XML security over relational databases despite that XML became the de facto standard for the data representation and exchange on the internet and a lot of XML documents are stored in RDBMS. In 14, the author proposed an access control model for schema-based storage of XML documents in relational storage and translating XML access control rules to relational access control rules. However, the proposed algorithms had performance drawbacks. In this paper, we will use the same access control model of 14 and try to overcome the drawbacks of 14 by proposing an efficient technique to store the XML access control rules in a relational storage of XML DTD. The mapping of the XML DTD to relational schema is proposed in 7. We also propose an algorithm to translate XPath queries to SQL queries based on the mapping algorithm in 7.

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