Identifiers in Metadata | 24/11/2003

Identifiers are commonly used for several different purposes: differentiating one learning object from another; differentiating one instance of a particular learning object from another instance of the same learning object; differentiating between two identical learning objects through their location. A related issue is that of differentiating one version of a learning object from a different version of the same object. A more complex issue is that of identifying each object in an aggregation of objects.

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