UCL University College London Eprints
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Utility-based Decision-making in Distributed Systems Modelling - Pym, D; Anderson, G; Collinson, M
We consider a calculus of resources and processes as a basis for modelling decision-making in multi-agent systems. The calculus represents the regulation of agents' choices using utility functions that take account of context. Associated with the calculus is a (Hennessy-Milner-style) context-sensitive modal logic of state. As an application, we show how a notion of `trust domain' can be defined for multi-agent systems.
Trust domains: An algebraic, logical, and utility-theoretic approach - Anderson, G; Collinson, M; Pym, D
Complex systems of interacting agents are ubiquitous in the highly interconnected, information-rich ecosystems upon which the world is more-or-less wholly dependent. Within these systems, it is often necessary for an agent, or a group of agents, such as a business, to establish within a given ecosystem a trusted group, or a region of trust. Building on an established mathematical systems modelling framework - based on process algebra, logic, and stochastic methods - we give a characterization of such 'trust domains' that employs logical assertions of the properties required for trust and utility-theoretic constraints on the cost of establishing compliance with...