the extensibility and evolution of network services and protocols had become a major research issue in recent years. The 'programmable' and 'active' network par...
When collaborating agents share sensitive information to achieve a common goal it would be helpful to them to decide whether doing so will lead to an unwanted release of confiden...
Privacy is considered critical for all organizations needing to manage individual related information. As such, there is an increasing need for access control models which can adeq...
Mobile agent systems provide new perspectives for distributed e-commerce applications. Sea-of-Data (SoD) applications are those that need to process huge quantities of distributed...
Guillermo Navarro, Joan Borrell, Jose A. Ortega-Ru...
We introduce the concept of concurrent signatures. These allow two entities to produce two signatures in such a way that, from the point of view of any third party, both signatures...