Overview of URNs

• Meant to be persistent identifiers. Binding to resource is permanent.
• Simple identification is useful (XML namespace identification)
• A resolution system is available if needed.
• Allows for variety in the syntax of the namespace.
• Examples:

  • URN:ISBN:0-07-882396-X
  • URN:PDI://oma.eop.gov.us/1999/8/5/14.text.2

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