INFRASTRUCTURE FOR RBAC-MAS: AN APPROACH BASED ON AGENT COORDINATION CONTEXTS

  • Authors:
  • Mirko Viroli;Andrea Omicini;Alessandro Ricci

  • Affiliations:
  • Alma Mater Studiorum, Università di Bologna, Cesena, Italy;Alma Mater Studiorum, Università di Bologna, Cesena, Italy;Alma Mater Studiorum, Università di Bologna, Cesena, Italy

  • Venue:
  • Applied Artificial Intelligence
  • Year:
  • 2007

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Abstract

In this article, we discuss how to shape a MAS infrastructure to support an agent-oriented, role-based access control model (RBAC-MAS). First, we introduce the RBAC model, and show how it can be extended to capture the essential features of agent systems. Then, we extrapolate the core requirements of an infrastructure for RBAC-MAS, and depict a possible approach based on ACCs (agent coordination contexts). The conceptual framework for an RBAC-MAS infrastructure exploiting ACCs is subsequently formalized through a process-algebraic description of the main infrastructure entities: This is meant to serve as a formal specification of both the infrastructure and the language for expressing roles, operations, and policies in RBAC-MAS.