This paper presents a description of the Enterprise Architecture, the benefits of its use and its key issues. Enterprise Information Architecture is also described and the value that represents in the economic field. Based on the general architecture of the Enterprise Information Architecture...

In this paper the author shows the importance of multi-agent system in the e-commerce domain, specially for brokerage. He also propose an agent-based architecture for brokerage and a structure for the intelligent broker. The structure may be seen like a multi-agent system, having intelligent...