Szukana fraza: [Abstract = "Agents are a useful abstraction frequently employed as a basic building block in modeling service, information and resource sharing in global environments. The connecting of requester with provider agents requires the use of specialized agents known as middle\-agents. In this paper, we propose a formal framework intended to precisely characterize types of middle\-agents with a special focus on matchmakers, brokers and front\-agents by formally modeling their interactions with requesters and providers. Our approach is based on capturing interaction protocols between requesters, providers and middle\-agents as finite state processes represented using FSP process algebra"]

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