Assuring information quality in Web service composition

As organizations have begun increasingly to communicate and interact with consumers via the Web, so the information quality (IQ) of their offerings has become a central issue since it ensures service usability and utility for each visitor and, in addition, improves server utilization. In this article, we present an IQ-enable Web service architecture, IQEWS, by introducing a IQ broker module between service clients and providers (servers). The functions of the IQ broker module include assessing IQ about servers, making selection decisions for clients, and negotiating with servers to get IQ agreements. We study an evaluation scheme aimed at measuring the information quality of Web services used by IQ brokers acting as the front-end of servers. This methodology is composed of two main components, an evaluation scheme to analyze the information quality of Web services and a measurement algorithm to generate the linguistic recommendations.