Extending the Dublin Core

• The fifteen basic elements of the Dublin Core are extensible, optional, and repeatable.
  • Many implementors have extended these elements through the addition of substructure (AMICO…)
  • Others have added whole new elements to the core in order to meet their needs
  • The ‘Admin Core’, for example, is aimed specifically at the metadata kept in order to manage data
    • http://metadata.net/admin/
  • where do we stop extending and use something else instead?

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