Contract Formation through Preemptive Normative Conflict Resolution

Wamberto Vasconcelos, Timothy J Norman

Research output: Chapter in Book/Report/Conference proceedingPublished conference contribution

6 Citations (Scopus)
6 Downloads (Pure)


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.
Original languageEnglish
Title of host publicationNormative Multi-Agent Systems
EditorsG. Boella, P. Noriega, G. Pigozzi, H. Verhagen
Place of PublicationDagstuhl
PublisherLeibniz-Zentrum für Informatik
Number of pages18
Publication statusPublished - 2009
EventNormative Multi-Agent Systems - Dagstuhl, Germany
Duration: 16 Mar 200920 Mar 2009

Publication series

NameDagstuhl Seminar Proceedings
PublisherLeibniz-Zentrum fur Informatik
ISSN (Electronic)1862-4405


SeminarNormative Multi-Agent Systems


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