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OCLC Research

OCLC Research. Lorcan Dempsey VP Research, OCLC February 2004 (see next slide for where this presentation was given). Different versions of this presentation were given at the following meetings: OCLC Australian Advisory Council Melbourne, February 1, 2004

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OCLC Research

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  1. OCLC Research Lorcan DempseyVP Research, OCLC February 2004(see next slide for where this presentation was given)

  2. Different versions of this presentation were given at the following meetings: OCLC Australian Advisory CouncilMelbourne, February 1, 2004 National Library of Australia, Canberra, February 6, 2004 OCLC Members’ CouncilDublin, Ohio, February 9, 2004

  3. Overview MARC 21 MARC-XML, MODS, Dublin Core, Onix, LOM EAD, TEI, DC, MARC METS, SCORM, DIDL, … DDI, FGDC, .. MARC AMC, EAD, DC, RSLP OAIS, METS, OCLC/RLG, … Z39.50, SRU/W, Xquery, … SOAP, WSDL, UDDI, … GIF, TIFF, PNG, JPEG, … XML, RDF, DAML+OIL, .. DDC, LCSH, LCC, TGN, AAT, … PURL, DOI, ISTC, URN, ERROL, POI, … XRML, ODRL, .. ZTHES, VDEX, TIF, ..

  4. Research possibilities … • .. are endless! • Becoming more complex as more activities enter a network space. • Focus … • on maximizing impact of a limited resource. • on where can make an internal and external impact. • on making valuable work more visible • on engaging external partners in useful collaboration.

  5. Overview Contentmanagement Interoperability System & service architecture Collection and user analysis Knowledgeorganization

  6. Collection and user analysis • Change creates demand for better data. • Growing interest in knowing more about: • Characteristics • Gaps and overlaps • Use • Tuning collections based on data. • Focus collection spending where creates most value. The idea of the balanced—but unread—collection is disappearing. Librarians cannot change user behavior so they need to meet the user.

  7. OR objectives • Support better management decisions by • Making data work • Exploring user behaviors.

  8. Some projects Characteristics of collections WorldCat CIC Compare ILL, circulation and holdings data. Last copy: what is irreplaceable? ARL Global Resources. Exploring coverage of overseas titles in ARL libraries. Large scale user behavior study IMLS project with OSU and OCLC

  9. Comparing CIC Collection Profiles

  10. Content management • Digital asset management a growing concern • Cultural heritage, special collections, … • Learning objects • Institutional repositories • Issues • Repository selection and interoperability • Securing long term access to digital assets

  11. Content management Digital preservation Economics of digital preservation Consensus making – OCLC/RLG working groups Preservation metadata (PREMIS) Repository architectures Contributions to Dspace codebase to support its interoperability OAI SRW Reference models IMS repository interoperability

  12. System and service architecture The library systems environment is getting more complex ILS Digital asset management Resolution Portal Resource sharing License management Auth* Build, buy, opensource? Integration Integrated workflow Portal Cataloging …

  13. OR objectives • Investigate new ways of structuring and viewing WorldCat and associated knowledge structures • Exploit emerging technologies, open standards and protocols to prototype new services

  14. Some projects ‘Unplug and play’ Metadata schema transformation E-prints UK Terminology services Name authority services XISBN Text searching Fast searching on Beowulf clusters Harvesting NDLTD Union Catalog

  15. Metadata schema transformation Crosswalk repository client A metadata crosswalk Web services layer A record Record translation client Metadata schema translator A transformed record

  16. xISBN • An experimental web service • Give it an ISBN, it returns all related ISBNs • Based on WorldCat • Designed for machine-to-machine data exchange • Examples: • Check user ILL requests against all editions/versions in OPAC • Find library’s editions when user finds any edition/version of item on Amazon • Check OPAC for all editions during selection/acquisitions/gift book processing

  17. Searching for the book on Amazon

  18. LibraryLookup bookmarklet Single ISBN LibraryLookup Is the book at my library? http://www.amazon.co.uk/exec/obidos/ASIN/1860464955/qid=1075134526/sr=1-1/ref=sr_1_10_1/202-6426661-8213436

  19. xISBN bookmarklet Multiple ISBNs LibraryLookup xISBN server Is the book at my library? xISBN http://www.amazon.co.uk/exec/obidos/ASIN/1860464955/qid=1075134526/sr=1-1/ref=sr_1_10_1/202-6426661-8213436 ADDED ADDED ADDED ADDED ADDED

  20. Knowledge organization and semantic web "The Semantic Web is an extension of the current web in which information is given well-defined meaning, better enabling computers and people to work in cooperation." -- Tim Berners-Lee, James Hendler, Ora Lassila, The Semantic Web, Scientific American, May 2001

  21. Mmmm….

  22. OR objectives • To release the value of the historical library investment in controlled vocabularies and knowledge structures • Redeploy tools for accessing or assigning names, subjects, and classification numbers • Make knowledge organization services more accessible.

  23. Projects • FAST • Terminology services • FRBR • Automatic classification • VIAF – Virtual International Authority File • Library of Congress, Die Deutsche Bibliothek

  24. FAST Geographic Search by Area Bar 1 Bay 5 Bridge 1 Channel 2 Civil 23 Forest 4 Island 4 Lake 6 Park 10 Ppl 92 Stream 10 Avalon Lake Bellaire, Lake Charlevoix, Lake Fletcher Pond Munro Lake Ocqueoc Lake

  25. Knowledge org systems Plethora of vocabularies Incompatible approaches to encoding Few connections Education GEM Subjects, ERIC Thesaurus, LCSH, CIP (Classification of instructional programs) Cultural Heritage AAT, Thesaurus for Graphic Materials (TGM) Subjects & Genre Terms Not built for the web Link to concepts

  26. Terminology services:‘Webulating’ knowledge organization The goal of this project is to offer accessible, modular, web-based terminology services. Make vocabularies more available for Metadata creation Searching … Refine and extend mappings Represent vocabularies in major encoding standards, e.g., MARC, Zthes, TIF Prototype custom web services as appropriate

  27. 2.6+ million fiction records from Worldcat, clustered by OCLC’s FRBR algorithm Make greater use of data (genres, settings, imaginary characters, etc)

  28. Work display

  29. Work/expression display

  30. Work/expression/manifestation

  31. Interoperability • Extract maximum value from investment in • Metadata • Content • Services • By ensuring that they are • Sharable • Reusable • Recombinable

  32. OR objectives • Provide leadership in Internet and information standardization • Help to raise the visibility of the values and value of librarianship

  33. Some examples Dublin Core Central to library, cultural heritage and related communities. Harvested data: OAI 8 Governments Corporations and NGOs Protocols Z39.50, SRW/U, OAI, Zthes Identifiers INFO URI, PURL Registries DCMI, OpenURL, Info URI Everywhere …! Cliff Lynch on Info URI: … it represents an important new step in collaboration ACROSS standards organizations, and … I think the work is of real importance to the CNI community.

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