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Uses of identifiers: a library perspective

Uses of identifiers: a library perspective. David Seaman Executive Director Digital Library Federation IDF Meeting Tuesday June 22, London. Digital Library Federation http://www.diglib.org/.

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Uses of identifiers: a library perspective

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  1. Uses of identifiers: a library perspective David Seaman Executive Director Digital Library Federation IDF Meeting Tuesday June 22, London

  2. Digital Library Federationhttp://www.diglib.org/ • Thirty-three members – major academic and national libraries, including The British Library; four allies (CNI; RLG; OCLC; LANL) • Created in 1995 by directors of US research libraries; fills a need not simply met by larger library organizations: focus exclusively on DL needs and strategies for large libraries • Be nimble, agile, collaborative • Practical and strategic areas of activity

  3. DLF Work -- background USER SERVICES • Dimensions and use of the scholarly information environment www.diglib.org/pubs/scholinfo • IMS – learning technologies and courseware integration • Distributed single collection of our own material METADATA STANDARDS • Open Archives Initiative support – talk of OAI transporting content • METS (Metadata Transmission Standard)

  4. DLF Work -- background RESOURCE MANAGEMENT • XML format for license content (ERMI) • Registry of Digital Masters PRODUCTION • Production standards and benchmarks PRESERVATION • Journals preservation • Global Digital Format Registry

  5. DOIs and Libraries • Great reliance in libraries on DOIs in the digital scholarship we purchase • High degree of library trust and faculty satisfaction in CrossRef (and DLF interest in its new search experiment) • Increasingly, persistent identifiers are an expected part of the “plumbing” of online journals, comment-worthy only when the functions they allow are absent

  6. Persistent identity: so much need, so little agreement on the solution • The lack of persistent naming is one of the major impediments to digital scholarship and pedagogy (DLF Scholars’ Panel). • The more we use online course-building systems the more we suffer from link rot (links that don’t survive the semester). • Cataloging and name authorities, long-term access and preservation, all beloved library skills – all lead us to persistent IDs

  7. Digital Library IDs • Value of unique ID and a resolver service is clear (identify the object not the location). • Plethora of schemes confuse the picture: DOI? PURL? Archival Resource Key (ARK)? Many homegrown quasi-solutions. • Typecasting is at work – x scheme is only good for y data. “Not Created Here”. • Fear and suspicion of DRM prohibiting legal use – DOI sometimes seen in this context..

  8. Digital Library IDs Long-term viability of an outside scheme is a fear – “library time” and “publisher time” have been on different scales, historically. Concern about whether system built by and for publishers works for us. Control issue. Trust that resolution database will be maintained after commercial viability of content fades Rise of institutional repositories and influence on libraries of ID schemes adopted here.

  9. Appropriate Copy (CrossRef) • In 2001, the DLF and DOI communities identified and solved what has become known as The Appropriate Copy issue (multiple locations for journal article). Very popular solution. • The current solution relies on a single, preconfigured source for metadata describing objects identified by a DOI. This architecture will break with additional DOI registration agencies -- the CrossRef database does not have the metadata for DOIs assigned by other agencies.

  10. Appropriate Copy, the Sequel • Jan/Feb 2004: There were 8,400 DOI queries with an 82% match rate. [Ed Pentz] • Queries that didn't match ran from someone submitting an ISSN or something that is not a DOI to some DOIs that the publisher had posted to their website but not registered in CrossRef (a timing issue). [Ed Pentz] • No obvious problem at the moment – but one to watch.

  11. Content management (DLF-ERMI) • license management: XML record to hold licenses (shareable; deliverable by publishers) • DLF team has spent 18 months building set of xml elements to hold license information • Great interest from aggregators and library systems vendors in common solution • IDF interest – meeting planned this summer with NISO, DLF, and publishers – relation to DOI rights data dictionary work

  12. The Resolution for Libraries • Professional pride and ownership of the issue in libraries is still unclear (we know we are embarrassed when a catalog record leads to a call number that is erroneous so the printed book cannot be found). • Better understanding of the problem needed at senior management level and better under-standing of DOI needed here too.

  13. The Resolution for Libraries • Education of the user and the power of raised expectations: broken links are not inevitable • Low user and author expectations need raising, which is the strongest pressure point on libraries (and publishers) • The solution is no longer a technical one -- explicit “social” contracts for permanence with our reseachers, teachers and students will be the final driver for a common solution

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