Authentication in distributed systems: theory and practice
ACM Transactions on Computer Systems (TOCS)
A calculus for access control in distributed systems
ACM Transactions on Programming Languages and Systems (TOPLAS)
Deontic logic: a concise overview
Deontic logic in computer science
RBAC '97 Proceedings of the second ACM workshop on Role-based access control
First-Order Dynamic Logic
Autonomous Agents and Multi-Agent Systems
Reasoning About Security: A Logic and a Decision Method for Role-Based Access Control
ECSQARU/FAPR '97 Proceedings of the First International Joint Conference on Qualitative and Quantitative Practical Reasoning
Extending Deontic Logic for the Formalisation of Legal Rules
Extending Deontic Logic for the Formalisation of Legal Rules
Autonomous Agents and Multi-Agent Systems
Normative autonomy and normative co-ordination: declarative power, representation, and mandate
Artificial Intelligence and Law
Reasoning about coalitional agency and ability in the logics of "bringing-it-about"
Autonomous Agents and Multi-Agent Systems
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In this paper we address the problem of organized collective agency, and propose a deontic/action modal logic for that purpose. We argue that once we want to attribute obligations (permissions or other deontic notions) to a set of agents, we need to consider a new agent - that we called institutionalized agent, and specify how he interacts with the external world: how the obligations flow from the institutionalized agent to the real agents that support him, and how the actions of the latter count as actions of the former. But an agent may act in many qualities (roles), and it is essential to know in which quality an agent has acted, or intends to act, for three main reasons: to know the effects of the act, its deontic qualification, and authentication issues. Thus, we extend the ``sees to it'' action operator with an explicit index that states the quality (role) in which the agent has acted. We also show how to associate obligations to roles, and illustrate how this can be used to express the desired flow of obligations.