Everyone who has seen the movie Wall Street will have seen a commercial security policy in action. The recent work of Clark and Wilson and the WIPCIS initiative (the Workshop on I...
Abstract. We consider batch reinforcement learning problems in continuous space, expected total discounted-reward Markovian Decision Problems. As opposed to previous theoretical wo...
Access control is the process of mediating every request to resources and data maintained by a system and determining whether the request should be granted or denied. The access co...
Pierangela Samarati, Sabrina De Capitani di Vimerc...
We study the access control integration problem for web services. Organizations frequently use many services, each with its own access control policies, that must interoperate whi...
In this paper, we present an Open Grid Services Architecture (OGSA)-based decentralized allocation enforcement system, developed with an emphasis on a consistent data model and ea...