文章分析WFMC工作流参考模型的可扩展性，提出了一个可扩展的工作流元模型。
This paper analyzes the extensibility of the workflow reference model from WFMC, then presents a extensible workflow meta model.
设计给出了一个由过程元模型、组织元模型和数据元模型构成的三维工作流元模型。
A three-dimensional workflow meta-model is presented, which is composed ofprocess meta-model, organization meta-model and data meta-model.
然后集中阐述了工作流元模型和工作流过程定义语言XPDL，重点分析了工作流引擎的理论和核心调度机制。
Then the paper gives the details of XPDL and workflow meta-model, and analysis the core mechanism of workflow engine.
针对传统的工作流建模方法中存在的不足，结合工作流元模型，选用XPDL进行工作流建模，给出工作流模型实例。
Against the traditional workflow modeling methods' deficiencies, combining workflow prototype models, author chooses XPDL to do workflow modeling, and provides a workflow model example in the paper.
通过在流程建模阶段扩展工作流管理联盟的工作流元模型相关定义，重点分析了动态路由和多版本流程迁移在流程运行阶段的调度实现。
It extended basic workflow definition that proposed by workflow management coalition in the process-modeling phase, and mainly introduced the runtime implementation of dynamic characteristics.
本文根据面向对象的工作流建模思想，设计了工作流元模型及其可视化的建模工具。为了验证工作流模型的可用性，开发了工作流执行服务原型系统。
According to that view we design the object-oriented workflow model and the visual model tool, and develop a workflow original system to test the workflow model's usability.
给出了业务流程过程模型和组织元模型的集成实现过程，从而有利于描述和分析工作流驱动的动态组织行为。
An integrated implementation approach of organizational model and process model is presented, which can facilitate the description and analysis of the workflow-driven dynamic organization activities.
给出了业务流程过程模型和组织元模型的集成实现过程，从而有利于描述和分析工作流驱动的动态组织行为。
An integrated implementation approach of organizational model and process model is presented, which can facilitate the description and analysis of the workflow-driven dynamic organization activities.
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