Abstract. Organizations are increasingly using the the eXtensible Markup Language (XML) for document representation and exchange on the Web. To protect an XML document from unautho...
Abstract. Access control for semi-structured data is nontrivial, as witnessed by the number of access control approaches in recent literature. Recently a case has been made for exp...
—The XML language is becoming the preferred means of data interchange and representation in web based applications. Usually, XML data is stored in XML repositories, which can be ...
The validation of enterprise authorization specification for conformance to enterprise security policies requires an out-of-band framework in many situations since the enforcing a...
Abstract. We investigate the experimental effectiveness of query rewriting over XML security views. Our model consists of access control policies specified over DTDs with XPath e...