Research On Customer QoS Requirements Oriented Web Service Composition And Marketing Strategy

Development of e-commerce applications require enterprise applications distributed in different geographic locations, with a wide variety of hardware platforms, software and database management and other technical factors can be integrated between enterprises in the internet environment.It is needed to find the right business applications according to different application requirements. To combine various existing business applications automatly and provide web service composition to customer is also needed. In new service-oriented application environment, the Web service discovery and composition method ensured by quality of service (QoS) has become the focus of research in the field of Web services.In most current research of Web service, non-functional attributes are under heavily studying by both industry and academic. Further more, the description of Web service, the discovery and matching, and the composition of Web services became the kernel problems of current service oriented research. Therefore, most research on QoS evaluation, portfolio management is based on the vendor's perspective. This article focus on the service quality evaluation of Web services in the customer perspective (the Customer Quality of Service, CQoS) and market strategy in competitive environment, service based on customer utility and other related issues. The issues of Customer Quality of Service (CQoS), the main part of a Web services' non-functional attributes, are addressed in this thesis.The key problems and technologies including:the description of Web service's QoS in view of Customer, QoS-aware Web service discovery, Web service composition, to balance and optimize service resource load, the uncertainty of Web service. Some specific contributions of our work are listed as follows:1) A novel Web service QoS model in view of customer is proposed. In the model, key feedback criteria's and weight are extracted from information on quality-aware of service and feedback information by customer. We present a QoS criteria's under customers'view by considering with multiple view of QoS.2) A QoS-aware Web service discovery and matching framework is proposed, which compose of web service composition based on user's QoS preferences and web service composition based random QoS target and web service composition based on connection between web service. It is not only users' preferences but also uncertain environment centric.3) A decision method of web service product in competitive market is proposed.Firstly,We match the service and demand of users' based on key QoS criteria's and function feeded by customer. Secondly, we present a multiple target model with consideration function and users' select action..Finally, we gain web service plan to maximization market share.4) A model to optimization Web service resource allocation in competitive market is proposed. We analyze relation between price and resource allocation with game theory in micro economy.Later, we get a price adjust algorithm to perform strategy to optimize and balance web service resource.To model customer perspective QoS, key technologies of Web services management customer perspective QoS-based, web composition framework with consideration of customer preference and marketing strategy are important points in this thesis.