Persistent Identifiers

• The N2T (Name-to-Thing) Resolver (PDF)
  Low-cost, low-risk resolver discovery (ARKs et al) and namespace splitting.

• ARK Identifier Overview (HTML)
  • [ARK: One of] A Dozen Primers on Standards
    Computers in Libraries, Vol 24, Issue 2, February 2004

• Towards Electronic Persistence Using ARK Identifiers (PDF)
  published in the Proceedings of the ECDL Web Archiving Workshop, August 2003
  • CDL Case Study (HTM) slides (PPT), July 2005
  • ARK Tools (HTM) slides (PPT), July 2005
  • What Makes Identifiers Persistent (HTML) slides, February 2004

• Noid (Nice Opaque Identifier) Minting and Binding Tool (PDF)
  overview and technical specification; latest noid software release

• The ARK Identifier Scheme (HTML) technical specification

Kernel Metadata and Electronic Resource Citations (ERCs)

• Kernel and ERC Specification (HTML) (Internet-Draft) ; very simple metadata
  • Kernel Community (within the Dublin Core Metadata Initiative)

• Presentation: Supporting Persistent Citation (Webcast)
  December 2006, University of Edinburgh, School of Informatics, slides (PDF)

• A Metadata Kernel for Electronic Permanence (PDF)
  published in the Journal of Digital Information Vol 2, Issue 2, October 2001
  • A Name-Value Language (PDF); the ANVL text-based syntax substrate
  • Temporal Enumerated Ranges (PDF); the TEMPER date/time format
  • The HTTP URL Mapping Protocol (PDF); THUMP -- a simpler SRU/OpenSearch

• The Dublin Core Metadata Element Set (August 2007)