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There is a group of articles from IBM developerWorks that you might find useful:
- Ask the magic eight ball: "In this article, Doug Tidwell takes a simple piece of code, deploys it as a Web service, and writes a few clients for it. Next, he discusses how to create a description of the Web service and how to store that description in a registry and on a Web server."
- Deploying Web services with WSDL: Part 1: "In the Deploying Web services with WSDL series, Bilal will explore all major technical aspects of creating, deploying, and publishing Web services -- from Web Services Markup Language (WSDL), to Simple Object access Protocol (SOAP), and Universal Description Discovery and Integration (UDDI) registries. Part 1 focuses on WSDL authoring"
- Deploying Web services with WSDL, Part 2: Simple Object Access Protocol (SOAP): "Learn SOAP syntax and deploy WSDL applications using SOAP"
- Developing Web services, Part 3: SOAP interoperability. "In this article, Bilal will start with a discussion of the evolution of SOAP, present a list of major SOAP interoperability issues and their details, and create a guideline to develop better interoperable Web services. Bilal will also cover the details of using datatypes in SOAP."
- Web services insider, Part 1: Reflections on SOAP. In this article, James Snell starts a series of post aimed at "taking a quick look back at just how far Web services have come, what the current playing field looks like in terms of tool availability, and offering some insight into just how far we have to go in order to make this exciting new set of technologies viable and competitive."
In addition, you might want to try the Super Search feature of PerlMonks to look for answers to similar questions to the ones you might have.
I hope this helps.