XML Namespaces
Namespaces in object-oriented programming languages allow developers to name classes unambiguously. Given that different organizations (should) use different namespaces for the software components, even in the cases where two third-party software components contain a class with exactly the same name, the fact that those classes are in different namespaces means that they are easily distinguished from one another.
Unambiguous naming is a requirement that also permeates the XML world. For example, it may be the case that several versions of a document with a root element dvd may exist, but the structure of each is different. The way we distinguish the document that we want from a number of available dvd documents is by its XML namespace. ...
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