An operational approach to norms in artificial institutions

  • Authors:
  • Francesco Viganò;Nicoletta Fornara;Marco Colombetti

  • Affiliations:
  • Università della Svizzera italiana, Lugano, Switzerland;Università della Svizzera italiana, Lugano, Switzerland;Università della Svizzera italiana, Lugano, Switzerland

  • Venue:
  • Proceedings of the fourth international joint conference on Autonomous agents and multiagent systems
  • Year:
  • 2005

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Abstract

The notion of artificial institution is crucial for the specification of open interaction frameworks where heterogeneous and autonomous agents enter and leave dynamically and interact to face problems in various fields, like for instance electronic commerce, business-to-business applications, and personal assistant applications. In our view the specification of artificial institutions requires a clear standard definition of some basic concepts: ontology, authorizations, conventions, and norms. In this paper we propose an operational approach to the definition of norms that is mainly based on the generation of commitments. Norms can be employed to verify if the interacting agents are behaving in accordance with the normative specification of the system. In particular we regard norms as event-driven rules that are fired by events happening in the system and then modify commitments affecting the agents having a certain role. Furthermore we will discuss the crucial differences between the notion of authorization and permission and how permissions, obligations, and prohibitions can be expressed in our model.