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Norms in MAS: Definitions and Related Concepts

Authors: Tina Balke, Célia da Costa Pereira, Frank Dignum, Emiliano Lorini, Antonino Rotolo, Wamberto Vasconcelos, and Serena Villata

Published in: Dagstuhl Follow-Ups, Volume 4, Normative Multi-Agent Systems (2013)

Abstract

In this chapter we provide an introductory presentation of normative multi-agent systems (nMAS). The key idea of the chapter is that any definition of nMAS should preliminarily clarify meaning, scope, and function of the concept of norm. On account of this idea, we focus on three definitions and some related requirements for nMAS. For each of such definitions we propose some guidelines for developing nMAS. Second, we suggest how to relate the concept of nMAS to different conceptions of norms and how norms can be used within the systems. Finally, we identify some specific issues that open research questions or that exhibit interesting overlaps with other disciplines.

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Tina Balke, Célia da Costa Pereira, Frank Dignum, Emiliano Lorini, Antonino Rotolo, Wamberto Vasconcelos, and Serena Villata. Norms in MAS: Definitions and Related Concepts. In Normative Multi-Agent Systems. Dagstuhl Follow-Ups, Volume 4, pp. 1-31, Schloss Dagstuhl – Leibniz-Zentrum für Informatik (2013)

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@InCollection{balke_et_al:DFU.Vol4.12111.1,
  author =	{Balke, Tina and da Costa Pereira, C\'{e}lia and Dignum, Frank and Lorini, Emiliano and Rotolo, Antonino and Vasconcelos, Wamberto and Villata, Serena},
  title =	{{Norms in MAS: Definitions and Related Concepts}},
  booktitle =	{Normative Multi-Agent Systems},
  pages =	{1--31},
  series =	{Dagstuhl Follow-Ups},
  ISBN =	{978-3-939897-51-4},
  ISSN =	{1868-8977},
  year =	{2013},
  volume =	{4},
  editor =	{Andrighetto, Giulia and Governatori, Guido and Noriega, Pablo and van der Torre, Leendert W. N.},
  publisher =	{Schloss Dagstuhl -- Leibniz-Zentrum f{\"u}r Informatik},
  address =	{Dagstuhl, Germany},
  URL =		{https://drops.dagstuhl.de/entities/document/10.4230/DFU.Vol4.12111.1},
  URN =		{urn:nbn:de:0030-drops-39983},
  doi =		{10.4230/DFU.Vol4.12111.1},
  annote =	{Keywords: Norms, MAS}
}

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DOI: 10.4230/DagSemProc.09121.12

Contract Formation through Preemptive Normative Conflict Resolution

Authors: Wamberto Vasconcelos and Timothy J. Norman

Published in: Dagstuhl Seminar Proceedings, Volume 9121, Normative Multi-Agent Systems (2009)

Abstract

We explore a rule-based formalisation for contracts: the rules capture conditional norms, that is, they describe situations arising during the enactment of a multi-agent system, and norms that arise from these situations. However, such rules may establish conflicting norms, that is, norms which simultaneously prohibit and oblige (or prohibit and permit) agents to perform particular actions. We propose to use a mechanism to detect and resolve normative conflicts in a preemptive fashion: these mechanisms are used to analyse a contract and suggest "amendments" to the clauses of the contract. These amendments narrow down the scope of influence of norms and avoid normative conflicts. Agents propose rules and their amendments, leading to a contract in which no conflicts may arise.

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Wamberto Vasconcelos and Timothy J. Norman. Contract Formation through Preemptive Normative Conflict Resolution. In Normative Multi-Agent Systems. Dagstuhl Seminar Proceedings, Volume 9121, pp. 1-18, Schloss Dagstuhl – Leibniz-Zentrum für Informatik (2009)

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@InProceedings{vasconcelos_et_al:DagSemProc.09121.12,
  author =	{Vasconcelos, Wamberto and Norman, Timothy J.},
  title =	{{Contract Formation through Preemptive Normative Conflict Resolution}},
  booktitle =	{Normative Multi-Agent Systems},
  pages =	{1--18},
  series =	{Dagstuhl Seminar Proceedings (DagSemProc)},
  ISSN =	{1862-4405},
  year =	{2009},
  volume =	{9121},
  editor =	{Guido Boella and Pablo Noriega and Gabriella Pigozzi and Harko Verhagen},
  publisher =	{Schloss Dagstuhl -- Leibniz-Zentrum f{\"u}r Informatik},
  address =	{Dagstuhl, Germany},
  URL =		{https://drops.dagstuhl.de/entities/document/10.4230/DagSemProc.09121.12},
  URN =		{urn:nbn:de:0030-drops-19207},
  doi =		{10.4230/DagSemProc.09121.12},
  annote =	{Keywords: Normative Conflict, Contracts}
}

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Documents authored by Vasconcelos, Wamberto

Norms in MAS: Definitions and Related Concepts

Abstract

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Contract Formation through Preemptive Normative Conflict Resolution

Abstract

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