A review of Web service selection process based on Qos

The Qos-based Web service selection is to select the optimal ones from functionally equivalent Web services and taking qulity of service as the main indicator. This article focuses on three parts before the Qos evaluation, including Qos model, information matching and service selection, illustrate the research methods, current status and results of each stage. We summarized and grouped together on a number of literature, then discussed the future direction of research priorities and research trends.