A PLATFORM FOR DETECTION AND RESOLUTION OF CONFLICTS AMONG MULTIPLE NORMS IN MAS (MULTI-AGENT SYSTEMS)

Eduardo Augusto Silvestre, Viviane Torres da Silva, Oscar da Silva da Silva, Luccas Felippe Oliveira, Wendler Souza Ramos

Resumo


In open MAS, norms are being used to regulate the behavior of the autonomous, heterogeneous and independently designed agents. Norms describe the behavior that can be performed, must be performed, and cannot be performed in the system. One of the main challenges on developing normative systems is that norms may conflict with each other. Norms are in conflict when the fulfillment of one norm violates the other and vice-versa. In previous works, the conflict checkers consider that conflicts can be detected by simply analyzing pairs of norms. However, there may be conflicts that can only be detected when we analyze several norms together. This work present a complete approach for conflict detection and conflict resolution among pairs and multiple norms. The approach for conflict detection is divided into three steps in order to smooth the computational since the problem is intrinsically exponential (SHOHAM; TENNENHOLTZ, 1995). The approach for conflict resolution apply famous strategies found in literature to rewrite or remove conflicting norms. The paper describes a tool, named MuNoCC (Multiple Norms Conflict Checker Tool), that integrate different screens for conflict detection and resolution.  This approach works as a basis to assist MAS literature, defining norms formally, checking conflicts among pairs and multiple norms and resolving the conflicts found.

Palavras-chave


multi-agent system, norm, conflict, conflict detection, conflict resolution

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Referências


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