Dramatic Growth of Open Access Series
The Dramatic Growth of Open Access Series is a quarterly series (end of March, June, September, and December) of key data illustrating the growth of open access, with additional comments and analysis. The series is available in open data and blogpost (commentary) editions. The quarterly series began December 31, 2005, and is predated by a peer-reviewed journal article featuring data as of February 2005.
September 30, 2009
The Dramatic Growth of PLoS One: soon-to-be world's largest journal
June 30, 2009
March 31, 2009
Update April 7: Open-access policy flourishes at NIH. Meredith Wadman. Nature News, April 7, 2009. Thanks to Peter Suber on Open Access News.
Looking for downloadable data? Go straight to the DGOA Dataverse.
Directory of Open Access Journals (DOAJ) Growth 2005-2008. Charts illustrated the growth in journal titles, journals searchable at article level, articles searchable at article level, and growth in growth rate for all measures in 2008.
Open Access Journals: Around the World, and Top OA Journal Countries
OpenDOAR exceeds 1,300!
December 31, 2008 Open Data - Happy New Year Brief Edition
December 11, 2008 Early Annual Edition
September 30, 2008
More evidence of a spike in DOAJ in 2008
Gavin Baker presents more evidence of a spike in DOAJ in 2008. Factors to consider when considering DOAJ as an imperfect measure of open access journal numbers and growth are presented.
arXiv exceeds half a million items! (October 3, 2008)
Estimate: NIH Public Access compliance rate has already tripled with mandatory policy (up to August 2008)
Twice as much gold OA articles in 2008 as in 2006!
Housekeeping: Dramatic Growth of Open Access Release Dates
DOAJ Over 200,000 searchable articles!
DOAJ growth rate nearly doubles in a year. From 2007 to 2008, the DOAJ growth rate increased from 1.2 to 2.2 new titles, on average, per calendar day.
Noteworthy Dramatic Growth July 2008: PMC and RoMEO
Scientific Commons exceeds 20 million items (July 2008)
The
Dramatic Growth of Open Access: June 30, 2008 update - note corrections to growth rate
Open Data Edition (showing quarterly and annual growth) - plus PMC free data, second sheet.
Open Data Edition (just data)
PMC Journals
The Dramatic Growth of Open Access: Open Data Edition (from March 31, 2008)
The Dramatic Growth of Open Access: Open Data Full Data Edition (to March 31, 2008)
March 31, 2008
More baseline data for PubMedCentral. Baseline data for PMC on the eve of the NIH new open access mandate, April 7, 2008.
Cancer literature: 13% free. Baseline data for free full-text, before the NIH open access mandate takes effect.
December 31, 2007 Dramatic Growth of Open Access
Dramatic Growth of Open Access: 2007 Interim Report and Predictions for 2008 Minor Update
Directory of Open Access Journals: Already the Biggest Big Deal?
DOAJ: 80 new titles in 30 days (Nov. 28, 2007)
September 30, 2007
June 30, 2007
March 31, 2007
Dramatic Growth March 2007 Update & Open Data Edition
December 31, 2006
Dramatic Growth December 2006 & Predictions for 2007
September 30, 2006
September 2006 Update.
June 30, 2006
June 30, 2006 Update.
March 31, 2006
March 31, 2006 Update.
December 31, 2005
Dec. 31, 2005 Update and 2006 Predictions
February 2005 data
The Dramatic Growth of Open Access: Implications and Opportunities for Resource Sharing, Journal of Interlibrary Loan, Document Delivery & Electronic Reserve, 16, 3 (2006).
About the Dramatic Growth of Open Access Series
40 new titles added to PubMedCentral in the last 60 days!
PubMedCentral Journals: Baseline Data
This post is designed to gather other posts and data editions of this series, and is backdated so that updates are not incorrectly identified as new posts.
Last updated September 23, 2007
September 30, 2009
The Dramatic Growth of PLoS One: soon-to-be world's largest journal
June 30, 2009
March 31, 2009
Update April 7: Open-access policy flourishes at NIH. Meredith Wadman. Nature News, April 7, 2009. Thanks to Peter Suber on Open Access News.
Looking for downloadable data? Go straight to the DGOA Dataverse.
Directory of Open Access Journals (DOAJ) Growth 2005-2008. Charts illustrated the growth in journal titles, journals searchable at article level, articles searchable at article level, and growth in growth rate for all measures in 2008.
Open Access Journals: Around the World, and Top OA Journal Countries
OpenDOAR exceeds 1,300!
December 31, 2008 Open Data - Happy New Year Brief Edition
December 11, 2008 Early Annual Edition
September 30, 2008
More evidence of a spike in DOAJ in 2008
Gavin Baker presents more evidence of a spike in DOAJ in 2008. Factors to consider when considering DOAJ as an imperfect measure of open access journal numbers and growth are presented.
arXiv exceeds half a million items! (October 3, 2008)
Estimate: NIH Public Access compliance rate has already tripled with mandatory policy (up to August 2008)
Twice as much gold OA articles in 2008 as in 2006!
Housekeeping: Dramatic Growth of Open Access Release Dates
DOAJ Over 200,000 searchable articles!
DOAJ growth rate nearly doubles in a year. From 2007 to 2008, the DOAJ growth rate increased from 1.2 to 2.2 new titles, on average, per calendar day.
Noteworthy Dramatic Growth July 2008: PMC and RoMEO
Scientific Commons exceeds 20 million items (July 2008)
The
Dramatic Growth of Open Access: June 30, 2008 update - note corrections to growth rate
Open Data Edition (showing quarterly and annual growth) - plus PMC free data, second sheet.
Open Data Edition (just data)
PMC Journals
The Dramatic Growth of Open Access: Open Data Edition (from March 31, 2008)
The Dramatic Growth of Open Access: Open Data Full Data Edition (to March 31, 2008)
March 31, 2008
More baseline data for PubMedCentral. Baseline data for PMC on the eve of the NIH new open access mandate, April 7, 2008.
Cancer literature: 13% free. Baseline data for free full-text, before the NIH open access mandate takes effect.
December 31, 2007 Dramatic Growth of Open Access
Dramatic Growth of Open Access: 2007 Interim Report and Predictions for 2008 Minor Update
Directory of Open Access Journals: Already the Biggest Big Deal?
DOAJ: 80 new titles in 30 days (Nov. 28, 2007)
September 30, 2007
- The Dramatic Growth of Open Access: September 30, 2007 Update
- Dramatic Growth September 2007 Open Data Edition
June 30, 2007
March 31, 2007
Dramatic Growth March 2007 Update & Open Data Edition
December 31, 2006
Dramatic Growth December 2006 & Predictions for 2007
September 30, 2006
September 2006 Update.
June 30, 2006
June 30, 2006 Update.
March 31, 2006
March 31, 2006 Update.
December 31, 2005
Dec. 31, 2005 Update and 2006 Predictions
February 2005 data
The Dramatic Growth of Open Access: Implications and Opportunities for Resource Sharing, Journal of Interlibrary Loan, Document Delivery & Electronic Reserve, 16, 3 (2006).
About the Dramatic Growth of Open Access Series
40 new titles added to PubMedCentral in the last 60 days!
PubMedCentral Journals: Baseline Data
This post is designed to gather other posts and data editions of this series, and is backdated so that updates are not incorrectly identified as new posts.
Last updated September 23, 2007
Labels: dramatic growth of open access
posted by Heather Morrison at 7:12 PM
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