Currently, only few XML data management systems support concurrent access to an XML document, and if they do, they typically apply variations of hierarchical locking to handle XML...
Web services represent a challenge and an opportunity for organizations wishing to expose product and services offerings through the Internet. The Web service technology provides ...
With the emergence of XML as the de facto standard to exchange and disseminate information, the problem of regulating access to XML documents has attracted a considerable attentio...
Various kinds of data are processed in workflow management systems: from case data to control data, from internal data to access to external databases or documents exchanged in int...
Christian Dreier, Johann Eder, Marek Lehmann, Amir...
In authorization-transparent access control, users formulate their queries against the database schema rather than against authorization views that transform and hide data. The Tru...