XML : namespaces (1)
- Applications wish to use element from multiple vocabularies (DTDs/Schemas)
- particularly true of metadata applications
- Problems of “name collisions”
- <surgery> in GPs Directory Schema
- <surgery> in MPs Appointments Schema
- XML Namespaces
- recommendation of W3C
- provides universal naming mechanism
- A Namespace is a collection of names
- A Namespace is itself given a name, which has the form of a URI