PubMed Central Update


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PubMed Central Update

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