Abstract. This paper addresses the problem of static checking of programs to ensure that they satisfy confidentiality policies in the presence of dynamic access control in the for...
XPath [16] was introduced by the W3C as a standard language for specifying node selection, matching conditions, and for computing values from an XML document. XPath is now used in...
We show that an XML DTD (Document Type Definition) can be viewed as the fixed point of a parametric content model. We then use natural transformations from the source content mo...
Access control mechanisms are widely used with the intent of enforcing confidentiality and other policies, but few formal connections have been made between information flow and...