Mechanism used by XML to guarantee the unambiguity of elements specified in an XML document without sacrificing extensibility.
.NET
Microsoft s umbrella term ( la IBM s WebSphere), which encompasses all of its initiatives that pertain to XML, Web services, and post-Y2K e-business.
.NET Framework
Programming model within the .NET initiative for building, deploying, and running Web-based applications, smart client applications, and XML Web services.