基于BPMN的Web服务并发交互机制

Web Service Concurrent Interaction Mechanism Based on BPMN

如何抽象描述复杂业务流程的交互是服务计算研究的重要问题。大量的国内外研究虽然关注业务流程建模,但却忽略了建模过程中组件之间的并发交互描述和实现。针对Web服务并发交互,提出一种基于BPMN的Web服务并发交互的形式化模型。首先,采用BPMN描述业务流程中的并发交互模式;其次,将BPMN并发交互模式映射到Orc语言;最后,Web服务实例表明,所提方法可有效支持Web服务并发交互抽象建模。

Business Process Modeling （BPM） aims to describe and abstract the interaction of complex systems associa- ted,is an important part of Service-oriented computing （SOC）. While many researches focus on BPM, they ignore the crucial problem how to describe the concurrent interaction between the constituted components. Therefore, this paper presented a formal model of concurrent interaction of Web services based on BPMN. First, we used BPMN to describe the concurrent interaction among Web components. Secondly we maped the concurrent interactive model of BPMN to Orc language,a function language to describe concurrent orchestration of Web service. Finally, we illustrated our ap- proach by mean of an example.