Due to the convergence of various mobile access technologies like UMTS, WLAN, and WiMax the need for a new supporting infrastructure arises. This infrastructure should be able to ...
We study the specification of access control policy in large-scale distributed systems. We present Cassandra, a language and system for expressing policy, and the results of a sub...
Mary Ellen Zurko Laboratory for Computer Science Massachusetts Institute of Technology and Digital Equipment Corporation Littleton, MA, 01460 This paper describes the User Attribu...
In this paper we describe SpartanRPC, a secure middleware technology for wireless sensor network (WSN) applications supporting cooperation between distinct protection domains. The ...
This research aims at studying the effects of exchanging information during the learning process in Multiagent Systems. The concept of advice-exchange, introduced in (Nunes and Ol...