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Applied XML Programming for Microsoft® .NET by Dino Esposito

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Chapter 13. XML Web Services

The term Web service is relatively new, but the idea behind Web services has been around for a while. A Web service is an interface-less Web site designed for programmatic access. This means that instead of invoking URLs representing Web pages, you invoke URLs that represent methods on remote objects. Similarly, instead of getting back colorful and animated HTML code, you get back XML Schema Definition (XSD) data types packed in XML messages. Aside from these higher-level differences, the underlying models for a Web site and a Web service are the same. In addition, any security measure you can implement on a Web site can be duplicated in a Web service. To summarize, the Web service model is just another programming ...

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