Business Processes for Web Services are the new paradigm for lightweight enterprise integration. They cross organizational boundaries, are provided by entities that see each other ...
The increasing availability of information about people's context makes it possible to deploy context-sensitive services, where access to resources provided or managed by a s...
Abstract We explore the problem of portable and flexible privacy preserving access rights that permit access to a large collection of digital goods. Privacy-preserving access contr...
Wireless data broadcast has received a lot of attention from industries and academia in recent years. Access efficiency and energy conservation are two critical performance concer...
Abstract. Users of some systems are at risk of being compelled to disclose their keys or other private data, and this risk could be mitigated if access control mechanisms supported...