File-sharing worms have been terrorizing Peer-to-peer (P2P) systems in recent years. Existing defenses relying on users’ individual recoveries or limiting users’ file-sharing ...
In this paper we present our authorization framework that supports the dynamic set-up of Web service federations for sharing data within virtual federations. Building on previous w...
— In current peer-to-peer systems users interact with unknown services and users for the purpose of online transactions such as file sharing and trading of commodities. Peer-to-...
Conventional e-mail systems are prone to problems that impact their scalability and dependability. E-mail systems operate following a "push-based" approach: the sender s...
Edson Kageyama, Carlos Maziero, Altair Olivo Santi...
We address the goal of making Delegation Logic (DL) into a practically implementable and tractable trustmanagement system. DL [22] is a logic-based knowledge representation (i.e.,...