In this paper the conversation policies for extended contract net protocol and a formation model for BDI mental state are proposed. Based on these models, a series of BDI based rules of action are presented.

• 本文给出了一个扩充的合同网协议的会话策略和一个BDI精神状态形成模型 ；并在此基础上将 BDI模型用于合同网协议 ；给出了实现合同网协议的一系列 BDI行为驱动规则 .