Uma abordagem baseada em lógica paraconsistente para avaliação de ofertas em negociações entre organizações artificiais

AUTOR(ES)

Fabiano Mitsuo Hasegawa

DATA DE PUBLICAÇÃO

2004

RESUMO

Within an organization, each individual responsible for the sale and purchase of commodities or services detains knowledge concerning possible values of the criteria used to represent a determined commodity or service which may be either oered or accepted in a negotiation. This knowledge is part of the organizational knowledge that stands for the truth about the world, the world from the organizations point of view. In a negotiation, an oer may cause a conflict with the previous individual knowledge of the negotiator. This conflict may be seen as an intra-case inconsistency. In the intra-case inconsistency the case which is stored in a base cause a contradiction with the previous domain knowledge of such case. Similarly, an oer and the previous individual knowledge of the negotiator may cause the intra-case inconsistency, the previous individual knowledge contain the aceptable values to the organization, or values which are true to the organization, and the values of the oer may cause contradictions with those values. This work describes a new approach based on a multi-valued decrement list heuristic followed by formalization into Evidential Paraconsistent Logic (EPL) to evaluate offers in a negotiation. The EPL is used to represent the rules and offers that describe how consistent the offer is according to the individual knowledge of the negotiator. If an offer is consistent and is true for the negotiator, it is then accepted. The ARTOR ARTificial ORganizations is a Multiagent System (MAS) which simulates a society of organizations each organization owns agents responsible for the operations of purchasing and selling either commodities or services. Within this MAS a new approach is undertaken by the supply executor agent and by the selection executor agent which are, respectively, responsible for the operations of purchase and sale.

ASSUNTO(S)

gerenciamento de configurações de software negociação sistemas de computacao informática

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