Design and implementation of an XML Web service: Stock information service

XML has been extensively adopted by the industries for data exchange in the E-business environment. XML web service is XML based application, which can be used to integrate distributed applications.; The objective of this thesis is to present the Web Service Architecture in detail, explore the use of XML and Web Service technologies for collaborative application integration in Business-to-Business, design and implement a Stock Information Service with the XML web service architecture.; In this thesis, we start with an overview of current application integration approaches, and then focus on the Web Service Architecture. After exploring XML Web Service Standards, including SOAP, WSDL and UDDI, we design and implement the Stock Information Service to demonstrate the usage of web service architecture in the application integration. This application integrates different web applications about stock information using Web Service Architecture and provides an integrated interface to the customers. It is implemented with IBM WebSphere Application Developer.