Access control is central to security in computer systems. Over the years, there have been many efforts to explain and to improve access control, sometimes with logical ideas and t...
Controlling access to resources is one of the most important protection goals for web-based services in practice. In general, access control requires identification of subjects t...
The extensible markup language (XML) is a standard for describing information on the Internet and is quickly becoming the most preferred way to store and exchange information. The...