XML : namespaces
- Applications wish to use element from multiple vocabularies (DTDs/Schemas)
- particularly true of metadata applications
- problems of “name collisions”
- XML Namespaces
- recommendation of W3C
- provides universal naming mechanism
- Namespace
- a collection of names
- given a name, which has the form of a URI
- Element type names, attribute names qualified by a namespace name (a URI)