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中文摘要：
随着业务领域和网格技术的发展,以应用网络服务的活动为主构成的服务工作流得到广泛重视和使用。服务工作流的数据流建模必须考虑服务的实现方式和人工活动对文件传输的需求。提出基于XML和事件驱动的数据和数据流模型,分析利用XSLT（Extensible Stylesheet Language Transformations）进行XML、HTML的转换以实现服务和人工活动间数据传递的机制,从而克服BPEL4WS固有的在数据机制上的缺陷。同时实现了支持该模型的服务工作流系统。
英文摘要：
Development in business areas and Grid technology have led to focused attention and greater usages of Service Workflows comprised mainly of activities applying Web Services. The data flow modelling of Service Workflows must take into consideration the implementation of Services and the need of manual activities for documentation transfer. This paper introduces a XML-based and event-driven data flow model. It develops the XML and HTML transformation mechanisms using XSLT in order to connect Service and manual activities, so it ovecomes the inherent insufficiency of BPEIAWS in terms of data management. A system supporting this model is also implemented and demonstrated.
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