Traditional security policies largely focus on access control requirements, which specify who can access what under what circumstances. Besides access control requirements, the av...
Delegation is a mechanism that allows a user A to act on another user B's behalf by making B's access rights available to A. It is well recognized as an important mechani...
Community computing is an agent-based development paradigm for ubiquitous computing systems. In a community computing system, ubiquitous services are provided by cooperation among ...
Youna Jung, Amirreza Masoumzadeh, James B. D. Josh...
Coordination and access control are related issues in open distributed agent systems, being both concerned with governing interaction between agents and resources. In particular, w...
Marco Cremonini, Andrea Omicini, Franco Zambonelli
Alice first meets Bob in an entertainment shop, then, they wish to share multimedia content, but Do they know what are trustworthy users? How do they share such information in a s...