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首页> 外文会议>International Conference on Business Process Management(BPM 2005); 20050905-08; Nancy(FR) >Specifying Web Workflow Services for Finding Partners in the Context of Loose Inter-organizational Workflow
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Specifying Web Workflow Services for Finding Partners in the Context of Loose Inter-organizational Workflow

机译：在松散的组织间工作流中指定用于查找合作伙伴的Web工作流服务

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摘要

This paper deals with Web Workflow Services (W2S) description languages that help organizations to find partners in the context of loose Inter-Organizational Workflow (IOW). Loose IOW refers to occasional cooperation between organizations, free of structural constraints, where the partners involved and their number are not pre-defined. Such a dynamic and heterogeneous context requires the definition of a W2S description language allowing workflow service providers to publish their capabilities and workflow service requesters to express their needs. Current Web services languages do not permit to describe adequately workflow services (structure and behavior) by lack of expressive power and/or formal semantics. In this paper, we show how the appropriate combination of Petri Nets with Objects (PNO) and OWL-S allows the specification, validation and publication of workflow services. On the one hand, PNOs permit the formal and graphical specification of workflow services, their simulation and validation. On the other hand, OWL-S permits the publication of workflow services on the Web. OWL-S has also the advantage to include the ontology concept which can be used to solve semantic problems between IOW partners. Moreover, we provide rules and algorithms which automatically derive OWL-S specifications from PNOs ones. This work has been implemented.
机译：本文讨论了Web工作流服务（W2S）描述语言，这些语言可帮助组织在松散的组织间工作流（IOW）的背景下找到合作伙伴。松散的IOW是指组织之间的偶然合作，不受结构限制，其中涉及的合作伙伴及其数量未预先定义。这种动态且异构的上下文要求定义W2S描述语言，以允许工作流服务提供者发布其功能，并允许工作流服务请求者表达其需求。当前的Web服务语言由于缺乏表达能力和/或形式语义而无法充分描述工作流服务（结构和行为）。在本文中，我们展示了Petri网与对象（PNO）和OWL-S的适当组合如何允许规范，验证和发布工作流服务。一方面，PNO允许对工作流服务进行正式和图形规范，以及对其进行仿真和验证。另一方面，OWL-S允许在Web上发布工作流服务。 OWL-S还具有包含可用于解决IOW合作伙伴之间的语义问题的本体概念的优势。此外，我们提供了规则和算法，这些规则和算法可自动从PNO的规范中推导出OWL-S规范。这项工作已经实施。

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