一种面向语义的普适服务自动合成方法

Semantic Oriented Automatic Pervasive Services Composition

为了解决普适环境下服务自动化组合问题,该文采用了有色Petri网对普适服务进行建模,该模型良好地描述了普适服务的功能性语义,提出了普适服务自动合成算法。用户提交预期的服务行为、输入和输出信息,系统可以自动化地构建服务路径,将可用普适服务按照一定的逻辑顺序组合成为一个合成服务。该算法根据用户不精确的需求,将可用服务自动生成能够覆盖用户需求的服务合成路径,具有更大的灵活性。

In order to resolve the automatic service composition, pervasive service is presented as Colored Petri Net, which can describe the functional semantic of service. Based on the description model, an automatic pervasive service composition algorithm is proposed to automatically create a specification of composite process to achieve the user＇ s requirement. This algorithm is able to create composite service based on the imprecise requirement, which is much more flexible than other composition mechanism.