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  • 1. PubMed Central Update Jennifer Jentsch Medical Library Association Conference May 2006
  • 2. What is PubMed Central?
    • PubMed Central (PMC) is the U.S. National Library of Medicine's digital archive of peer-reviewed, primary research articles from life science journals
    • Launched Feb 2000
    • In six years has grown to 230 journals, 596,000 articles
    • Unique IP addresses: 2 million / month
    • Articles retrieved / month – HTML full text, PDF, or scanned article summary: 7.65 million
    • Total page views / month, incl. searches: 11.45 million
  • 3. PMC Philosophy & Function
    • A logical extension of NLM’s general mandate
    • Digitize journal back issues to create a full electronic record of a journal
    • Provide free and unrestricted access to PMC, which ensures durability and utility of the archive as technology changes over time
    • Follow in the footsteps of other major NCBI resources
    • Integrate the literature with other valuable information resources in the database family – PubMed, Nucleotide, etc.
  • 4. What’s in PMC?
    • Electronic content representing current journal issues
        • Small subset is Open Access
    • Digitized Print content for older material (Back Issue Digitization Project)
    • NIH Manuscripts (NIH Public Access Policy)
    • Wellcome Trust Manuscripts
  • 5. PMC’s Archives
    • Recent & new electronic content
    • Represents roughly 40% of PMC content
    • Keep PDF, full-text XML, original images, supplementary material
    • XML preferred for archiving:
    • - technology-independent and portable
    • - allows for richer linking and automated text analysis
    • Back issues (print only)
    • Now approximately 60% of PMC content
    • Print journals scanned cover to cover – from volume 1
    • Create and archive high quality PDF with true reproduction of figures / images
    • OCR text used to do full-text searching and build list of linked reference citations
  • 6. PMC – Electronic Content
  • 7. PMC – Digitized Print Content
  • 8. Scanned articles - References
  • 9.  
  • 10.  
  • 11.  
  • 12.  
  • 13. Titles in PMC
  • 14. Scanned Content – Coming Soon
    • BMA Specialist Journals : 20+ titles including:
        • Heart
        • Thorax
        • Journal of Clinical Pathology
        • British Journal of Ophthalmology
        • Annals of the Rheumatic Diseases
    • Wellcome Trust Journals: 13 titles including:
        • British Journal of Pharmacology
        • Journal of Physiology
        • Journal of Anatomy
        • Immunology
        • British Journal of Cancer
      • End of 2006: 500,00 scanned articles
  • 15. PMC and Open Access
    • Defined in Bethesda Statement on OA
      • Goes beyond free access
      • Author/copyright holder grant users right to access, copy, use, distribute, transmit and display work on condition of proper attribution of authorship
      • Users can also make and distribute derivative works
      • Copy of work deposited in online repository enabling “open access, unrestricted distribution, interoperability, and long-term archiving”
  • 16. Open Access and Copyright
  • 17. PMC Access Flavors
    • Free (PMC default)
      • Normal “fair use” copyright provisions
    • Open Access
      • Author pays
      • Creative Commons or similar license to reuse with attribution
      • Article source files freely available from PMC via OAI or FTP
    • Open Access (me, too!)
      • Free + Author pays
    • Public Access
      • Author Manuscripts from NIH-funded researchers
      • No agreements with publishers
    • PubLink
      • Full text viewable only at journal site
  • 18. Open Access Journals in PMC
    • Open Access Journals in PMC:
      • BioMed Central Journals
      • Amphibian and Reptile Conservation
      • Biological Procedures Online
      • Journal of Biomedicine and Biotechnology
      • Journal of Insect Science
      • Nucleic Acids Research
      • PLoS Biology and Medicine
      • Preventing Chronic Disease
    • In October 2003, PMC began accepting individual open access articles from journals that do not participate in PMC on a routine basis.
      • Science
      • Biological Chemistry
  • 19. PMC and Public Access
    • The Public Access Policy requests that investigators funded by the National Institutes of Health (NIH) submit an electronic version of their final, peer-reviewed manuscripts upon acceptance for publication to the NIH National Library of Medicine's PubMed Central (PMC).
    • To facilitate the submission process to PMC, NIH has developed the NIH Manuscript Submission (NIHMS) system ( http://www.nihms.nih.gov/ ), a password-protected, Web-based system.
    • Currently 2500 NIH Manuscripts in PMC
  • 20. PMC Content Sources
    • Regular PMC Participation (since 2000)
    • Formal agreement between NLM and publisher
    • Journal may delay free access up to a year or more
    • Copyright is retained by publisher or author
    • Deposits are permanent
    • Journal may stop depositing new material but may not withdraw material already deposited
    • NIH Public Access Policy (May 2005)
    • Requests NIH grantees and intramural researchers to deposit final manuscript of paper accepted for publication
    • Author specifies PMC release date – up to 12 months after publication – subject to publisher’s copyright policy
  • 21. Manuscript in PMC
    • Distinctive banner with NIHPA-specific links
    • Citation for MS and for published article
    • Link to published article at journal site
    • Otherwise, looks like other PMC articles
  • 22. PMC – Recent Developments
    • Springer ‘Open Choice’ and Blackwell ‘Online Open’ articles now coming in to PMC
    • Also working with OUP ‘Oxford Open’
    • Detailed tagging guidelines released for NLM Journal Publishing DTD
    • Library of Congress and British Library are adopting NLM Journal DTD as a standard for tagging journal articles
  • 23. PMC in the Future
    • PMC International
      • PMC-in-a-box for quick setup of a reliable mirror
      • Tested by UK (Wellcome Trust), Italy (Italian National Research Council) and S. Africa (National Bioinformatics Network)
      • Also working with British Library, China and Japan
    • PMC Help as book on NCBI Bookshelf
  • 24. More Info / Contact Us
    • PubMed Central Site:
    • http:// www.pubmedcentral.nih.gov
    • Questions about PMC:
    • [email_address]
    • NIH Manuscript Submission System:
    • http://www.nihms.nih.gov
    • NIH Public Access Policy:
    • [email_address]