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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

NPG Case Study: CrossRef Implementation

Howard Ratner

CTO, Nature Publishing Group

February 2002


Npg publishing program
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


Timeline
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


Reference linking program
Reference Linking Program

  • The Deposit

    • Issue-based

    • AOP-based

  • The Query

    • Initial Posting

    • Updates

  • The User Experience



NPG Article

Metadata

NPG Full Text SGML




Finds References

Queries CrossRef

& Inserts found DOIs

into NPG Refmaster


Builds Reference

Sections

from DOIs in

NPG Refmaster



Article

with Abstract


Article

w/o abstract


Articles referred

& linked in same issue!


Statistics 22 02 02
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


Experiences
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


Plans
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)


Contact
Contact

Howard RatnerCTO, Nature Publishing Group

[email protected]


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