The extensible markup language (XML) is a promising standard for describing semi-structured information and contents on the Internet. When XML comes to be a widespread data encodi...
Using certificates for distributed authorizations in computer network systems has been discussed in the literature. However real implementations of the concept are rarely seen. In...
Variable environments in ad hoc networks require a joint control of physical (PHY) and medium access control (MAC) layers resources in order to optimize performance. In this paper,...
Context has the potential to enhance Web services in mobile environments to a great extent. Yet, challenges such as bandwidth restriction or dynamic changes require considerations ...