Addressing (Problems)

URLs (e.g. http://www.bristol-poly.ac.uk/depts/music/) have limitations:



• Lack of long-term persistency
  • Organisation changes name
  • Department shut down or merged
  • Directory structure reorganised
• Inability to support multiple versions of resources (mirroring)

ISBN/ISSN also problematic:

• Not tied to the work
• Nor to the item at hand

P

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