A Petri Net-based Model for Web Service Composition
A Petri Net-based Model for Web Service Composition
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发表时间：
2003
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通讯作者：
Rachid Hamadi;B. Benatallah
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作者：
Rachid Hamadi;B. Benatallah
互联网正在经历几次重大变革。它已经成为Web服务的载体，而不仅仅是信息存储库。许多组织正在将其核心业务能力作为Web服务的集合放在Internet上。一个重要的挑战是将它们集成起来，以前所未有的方式创建新的增值Web服务，形成所谓的企业对企业（B2B）服务。因此，有必要为可靠的Web服务组合的建模技术和工具。在本文中，我们提出了一个基于Petri网的代数，用于建模控制流，作为一个必要的组成部分，可靠的Web服务组合过程。这个代数的表达能力足以捕捉复杂Web服务组合的语义。
The Internet is going through several major changes. It has become a vehicle of Web services rather than just a repository of information. Many organizations are putting their core business competencies on the Internet as a collection of Web services. An important challenge is to integrate them to create new value-added Web services in ways that could never be foreseen forming what is known as Business-to-Business (B2B) services. Therefore, there is a need for modeling techniques and tools for reliable Web service composition. In this paper, we propose a Petri net-based algebra, used to model control flows, as a necessary constituent of reliable Web service composition process. This algebra is expressive enough to capture the semantics of complex Web service combinations.