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ERPANET-Workshop „Persistent Identifiers“ (18th June 2004 )

This workshop presentation discusses persistent identifiers, specifically focusing on Uniform Resource Names (URNs) and their management by Die Deutsche Bibliothek. Highlighted are the activities and outcomes of the EPICUR project (2002-2005) and its predecessor CARMEN-AP4 (1999-2002). The presentation details the development of prototypes for managing online dissertations, URN assignment, URL administration, and the infrastructure supporting URN resolution. It emphasizes the importance of URNs for long-term preservation and access to digital objects while outlining the technical and organizational frameworks established for effective URN management.

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ERPANET-Workshop „Persistent Identifiers“ (18th June 2004 )

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  1. ERPANET-Workshop „Persistent Identifiers“ (18th June 2004) Persistent Identifiers in Germany – Activities at Die Deutsche Bibliothek in the context of the EPICUR-project Die Deutsche Bibliothek Kathrin Schroeder

  2. Persistent Identifier related activities at Die Deutsche Bibliothek • CARMEN-AP4 project (1999 - 2002) • Development of a Prototype • Introduction of co-operative URN-Management for Online-Dissertations • urn:nbn:de:[designations of library association]:[official notation of university libraries]-[unique production number][check digit] • EPICUR project (2002 - 2005) • Extension of established URN-Management • Enhancement and migration of the prototype • Objective: URNs replace URLs 1999 2001 2002 2005

  3. URN-Strategy of Die Deutsche Bibliothek (EPICUR) • Objectives • <urn:nbn:de:1111-2003121811> • „Provision of organisational and technical conditions to assign, manage and resolve URNs the namespace "nbn:de" • Assignment of URN sub-namespaces • URN-Assignment • URN-Registration • URL-Administration • URN-Resolving • Services of Die Deutsche Bibliothek

  4. Principles of URN Management – State of the Art Naming Authority, Registration, Resolution (urn:nbn:de, urn:nbn:ch, urn:nbn:se) Delegated Naming Authority Delegated Naming Authority External Resolution Service(s) Delegated Naming Authority Delegated Naming Authority

  5. Technical and organisational Infrastructure of URN Management Die Deutsche Bibliothek Mirror (BSZ) Libray Association / Institution (Publishers etc., NL in Switzerland) aggregate External Resolution Service(s) University Libraries / Ass. Institutions University Libraries / Institutions

  6. Formal URN-structure Libraries belonging to library association structure urn:nbn:de:[designations of library association]:[official notation of university libraries]-[unique production number][check digit] urn:nbn:de:gbv:089-3321752945 Institutions outside the library association urn:nbn:de:[four digit number]-[unique production number][check digit] urn:nbn:de:0001-00016 Contact + Registration Kathrin Schroeder <mailto:nbn-request@ddb.de>

  7. URN-Strategy of Die Deutsche Bibliothek (EPICUR) • To what can a URN (nbn:de) be assigned and managed? • objects currently archived by Die Deutsche Bibliothek • objects to be archived in Die Deutsche Bibliothek in the future • Objects which will be administered on certified document servers • Quality criteria e.g. URL-Updating • Endeavors by DINI • http://www.dini.de/dini/zertifikat/dini_certificate.pdf • perspective of long term preservation • (BMBF project: http://www.langzeitarchivierung.de) no content-based selection!

  8. URN-Assignment – State of the Art • Online dissertations urn:nbn:de:gbv:089-3321752945 • Publisher publications urn:nbn:de:0002-0104 • Reports urn:nbn:de:0001-00021, • urn:nbn:de:kobv:b103-000011 • Conference proceedings urn:nbn:de:bsz:93-opus-15563 • Journals urn:nbn:de:1111-2004020921 • Articles urn:nbn:de:bsz:93-opus-13482 • Videos urn:nbn:de:0001-00099, urn:nbn:ch:bel-2319 • Annual reports urn:nbn:de:kobv:b103-030012 • Monographs urn:nbn:de:bsz:93-opus-13983 • Digitized materials urn:nbn:de:kobv:b103-030026 • Lectures urn:nbn:de:1111-2004033057 • XML namespace urn:nbn:de:1111-2004033116

  9. URN-Objects Object Part objects

  10. URN-Strategy of Die Deutsche Bibliothek (EPICUR) • Principles • URNs are valid after their registration at Die Deutsche Bibliothek • URN-Registration within 24 hours of their publication on a document server • URL-Updating is mandatory • In case of a distributed object storage URN must be transferred as part of the metadata or as access mechanism • [...] • Recommendations • URNs should be assigned as closely as possible to the object • URNs should be a component of metadata. • A character set according to RFC 1738 for URLs should be used.

  11. URN-Registration • Requirement • URN-Registration within 24 hours non their publication on a document server • Realization • What? • - URN • - URL(s), MimeTypes • How? - Existing workflows - Several transfer interfaces Separation of bibliographic metadata and information concerning the URN management

  12. URN-Registration using existing Workflows – Metadata for Online-Dissertations „MetaDiss“

  13. URN-Management: Additional Transfer Interfaces • Manual URN administration - Web-Interface <http://nbn-resolving.org/login.php> • Automated URN administration - E-Mail-Attachment • - OAI 2.0 • http://www.persistent-identifier.de/?link=200

  14. Application at Die Deutsche Bibliothek – State of the Art URN http://dbf-opac.ddb.de

  15. Application at Die Deutsche Bibliothek – Objective I PI NO URLs!

  16. Application at Die Deutsche Bibliothek – Objective II PI No Resolver-URL!

  17. Application at Die Deutsche Bibliothek – Objective II A first Step: Development of a Browser-Plugin for Mozilla, Netscape, Firefox http://www.persistent-identifier.de/?link=550

  18. URN-Adaption – State of the Art • Institution • > 60 University libraries • Research Institutions, Publishers, regional Web-Archivs • National Library in Switzerland (SLB) [...] • monthly updated statistics • http://www.persistent-identifier.de/?link=540 Digital Library Tools • OPUS • MyCoRe • Several document servers

  19. Thank you! • Contact at Die Deutsche Bibliothek: • Kathrin Schroeder Tel: 069-1525-1480 • Alexander Slotta Tel: 069-1525-1761 • E-Mail: nbn-request@ddb.de • Homepage: „http://www.persistent-identifier.de“

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