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 ...
In a modern business process, documents are important carriers of information between organisations. Document management solutions are increasingly based on structured document for...
In this paper, we present a novel fine-grained access control system for applications where the information flow is critical; the confidentiality of the data is essential and there...
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...