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» Security Policy Consistency
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SP
1989
IEEE
160views Security Privacy» more  SP 1989»
14 years 2 months ago
The Chinese Wall Security Policy
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...
D. F. C. Brewer, M. J. Nash
ML
2008
ACM
152views Machine Learning» more  ML 2008»
13 years 10 months ago
Learning near-optimal policies with Bellman-residual minimization based fitted policy iteration and a single sample path
Abstract. We consider batch reinforcement learning problems in continuous space, expected total discounted-reward Markovian Decision Problems. As opposed to previous theoretical wo...
András Antos, Csaba Szepesvári, R&ea...
FOSAD
2000
Springer
14 years 2 months ago
Access Control: Policies, Models, and Mechanisms
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...
ICWS
2008
IEEE
14 years 6 days ago
A Theory of Role Composition
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...
Jeffrey Fischer, Rupak Majumdar
ICSOC
2004
Springer
14 years 4 months ago
An OGSA-based accounting system for allocation enforcement across HPC centers
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...
Thomas Sandholm, Peter Gardfjäll, Erik Elmrot...