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NPG Case Study: CrossRef Implementation

NPG Case Study: CrossRef Implementation. Howard Ratner CTO, Nature Publishing Group February 2002. NPG Publishing Program. NPG: Nature Journals Division (14) Nature Magazine (Weekly) Nature Research Journals Nature Reviews Journals NPG: Specialist Journals Division (28)

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NPG Case Study: CrossRef Implementation

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  1. NPG Case Study: CrossRef Implementation Howard Ratner CTO, Nature Publishing Group February 2002

  2. NPG Publishing Program • NPG: Nature Journals Division (14) • Nature Magazine (Weekly) • Nature Research Journals • Nature Reviews Journals • NPG: Specialist Journals Division (28) • Oncogene, British Dental Journal, Cancer Gene Therapy, etc. • NPG: Reference Division (3+) • Encyclopedia of Life Sciences • Encyclopedia of Astrophysics

  3. Timeline • Winter 1998 Helps found CrossRef • Spring 2000 Begins reference linking programming/testing • December 2000 Deposits/queries/posts/links - nature only • January 2001 Deposits/queries/posts/links - all nature-branded journals • March 2001 Queries/posts links - EAA & ELS reference products • July 2001 Launches Advance Online Publication (AOP) Program • January 2002 Deposits/queries/posts/links - Specialist Journals

  4. Reference Linking Program • The Deposit • Issue-based • AOP-based • The Query • Initial Posting • Updates • The User Experience

  5. The Deposit

  6. NPG Article Metadata NPG Full Text SGML

  7. CrossRef Deposit Record

  8. The Query

  9. Finds References Queries CrossRef & Inserts found DOIs into NPG Refmaster

  10. Builds Reference Sections from DOIs in NPG Refmaster

  11. The User Experience

  12. Article with Abstract

  13. Article w/o abstract

  14. Articles referred & linked in same issue!

  15. Statistics (22.02.02) • 61,536 unique DOI Article links found out of total 252,474 unique references (24% match rate) • 87,179 total DOI links on site • 31 journals deposited in CR MDDB • 25,567 records deposited in CR MDDB

  16. Experiences • Problems linking from NPG products toNature Research titles • NPG journal short titles differed from Medline syntax used by CrossRef • Created pre-query filter. Transforms NPG short titles to Medline syntax for query – problem solved! • AOP DOI registration was too slow via CrossRef • Created end-run process to Handle Server • Changing NPG DOI syntax from completely dumb to internally logical • 10.1038/80132  10.1038/ng732 • Use DOI for all inbound links to NPG products! • Document Delivery Revenue is increasing • Added DOI Search to nature.com

  17. Plans • Nature Science Update articles to be deposited and have ref queries built • Inbound links to ELS/EAA – testing now • Further automate process with Content Management System (CMS)

  18. Contact Howard RatnerCTO, Nature Publishing Group h.ratner@natureny.comwww.nature.com

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