多层次组合Web服务筛选方法

Multi-level Composition Web Service Filter

为了能够更好地满足用户对服务组合的需要,文中首先给出了多层次组合Web服务的筛选模型,并将多层次组合Web服务筛选模型分为五个步骤。在此基础上将Web服务的属性分为功能属性和非功能属性(即QoS属性)。通过划分服务类对功能属性进行描述,并按照服务类以QoS属性的类型进行服务组合。最后给出了多目标方案筛选方法及其实验。

In order to meet the needs of service portfolio, this paper gives a multi-level service filter model of composition Web services, in which five steps are included. Then the attributes of Web services are divided into functional attribute and non-functional attribute （ie, QoS attribute）. Functional attribute is described by division of Service Class, and in accordance with the service QoS attributes, the service is composed. Finally, the multi-objective filter method and experimental results are given in this paper.