Abstract:

It doesn’t adapt very well to the dynamic and distributed nature of Web services composition that researches based on traditional workflow technique. A Web services composition model MAS-WS based on multi-agent was proposed,the focus was on monitoring and exception handling in Web services composition execution. The key techniques including dynamic formation of agent-team, proactive collaboration, hierarchical management of Web services composition progress, interleaved planning with plan execution and so on were described. And then advantages of MAS-WS were discussed.

Key words: dynamic composition of Web services, multi-agent system, progress of Web services composition, proactive collaboration, proactive exception handling

摘要：

现有基于传统工作流的Web服务合成的研究,不能很好满足Web服务合成动态、分布 式的要求。将Web服务动态合成技术和多Agent技术结合,着重于合成服务流程执行阶段的监控和 异常处理,给出了基于多Agent技术的Web服务动态合成系统的框架MAS WS,描述了其中的关键技 术,包括Agent联邦动态组建、主动协作、服务流程分层管理、流程规划与执行交叉进行等,并分析了 MAS WS的优势。

关键词: Web服务动态合成, 多Agent系统, Web合成服务流程, 主动协作, 主动异常处理