中文摘要：

随着Web服务数量的增加，根据Web服务的非功能属性（Q0s）度量web服务质量成为研究热点之一．目前对Web服务QoS的研究主要集中在QoS信息管理、Qos度量方法及基于QoS驱动的服务选取上，但对于QoS评价的可信性研究较少．本文在目前QoS研究的基础上提出一个Web服务QoS可信性评价模型，并给出了两种web服务QOS可信性评价方法．最后，描述了可信性评价的实验过程及效率分析．

英文摘要：

Along with the rapid growth of the Web Service, the method of QoS measurement based on QoS becomes an issue. Most of existing research in Web Service QoS focus on the QoS information management, QoS measurement and Web Service selection method based on QoS. However, few researchers note the trustworthiness of Web Service QoS. This paper proposed a trustworthiness model for Web Service QoS, and then two evaluate methods for Web Service QoS are proposed. Finally, this paper describes the experimental process and efficiency analysis of the evaluate method.