npg case study: crossref implementation howard ratner cto, nature publishing group february 2002
TRANSCRIPT
NPG Case Study: CrossRef Implementation
Howard RatnerCTO, 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)
Oncogene, British Dental Journal, Cancer Gene Therapy, etc.
NPG: Reference Division (3+) Encyclopedia of Life Sciences Encyclopedia of Astrophysics
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
The Deposit Issue-based AOP-based
The Query Initial Posting Updates
The User Experience
QuarkConversion(supplier)
3B2Extraction(supplier)
Full TextSGML
DOI Handle
CrossRefMDDB
DOI/URL
Metadata
TransformSGML
(ContentExplorer)
TransformSGML
(ContentExplorer)
DOI/URL pair forimmediate deposit
1 2a
ProductionDatabase
Issue Post Date(Weekly/Monthly)
CrossRefDeposit Batch
File
Upload todeposit.crossref.org(Content Explorer)
3
2b
AOP Post Date(Weekly)
HandleDeposit File
Upload to Handle(Content Explorer)
The Deposit
NPG Article Metadata
NPG Full Text SGML
CrossRef Deposit Record
Transform toHTML
(ContentExplorer)
Preview HTML &References with
links(ContentExplorer)
Every 4 weeksnew query
SGML
Resolve DOIs(ContentExplorer)
HTML Text
HTMLReference
Section
SGML ReferenceSection
Extracted inDatabase(ContentExplorer)
Return for editing
HTML
CrossRefMDDB
Query
Query
HTMLReference
Section
Server-side include
Approve &Post to web
site
NPGRefmaster
Insert Found DOIs
1a
1b
2 3
4
5
The Query
Finds References
Queries CrossRef & Inserts found DOIs into NPG Refmaster
Builds Reference Sections from DOIs in NPG Refmaster
The User Experience
Article with Abstract
Article w/o abstract
Articles referred & linked in same issue!
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 Problems linking from NPG products to
Nature 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
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)