An architecture to support the agent reputation models interoperability. / Uma arquitetura de apoio à interoperabilidade de modelos de reputação de agentes.

AUTOR(ES)

Luis Gustavo Nardin

DATA DE PUBLICAÇÃO

2009

RESUMO

In Multiagent Systems (MAS), controlling the internal agents behavior is impossible and therefore social dilemma may emerge. One possible approach to solve the problem is the social approach, which considers reputation as its main control mechanism. In order to accelerate the reputation evaluation, it is essential that the cooperating agents could exchange information about reputation. Thus, by using observations, evaluations and information exchange about reputation the social order in the global system may occur. However, the semantic heterogeneity of different reputation models makes agent interaction a problem, especially in open MAS. This work proposes a service oriented architecture, named SOARI, to deal with this problem. This architecture supports concept mapping and translation among different reputation model ontologies by using a common ontology. In order to illustrate its deployment, several experiments in the electronic commerce and art appraisal domains were performed. In the latter it was analyzed the effects caused on the agents as a consequence of a more expressive and heterogeneous communication about reputation.

ASSUNTO(S)

reputação arquitetura baseada em serviços sistemas multiagentes service oriented architecture artificial inteligence multiagent systems reputation inteligência artificial

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