Open Access News

News from the open access movement

Sunday, April 01, 2007

Update on growth of OA

Heather Morrison, Dramatic Growth of Open Access: March 31, 2007 Update and Open Data Edition, Imaginary Journal of Poetic Economics, March 31, 2007.  Excerpt:

The Dramatic Growth of Open Access is now available in an Open Data Edition [a Google spreadsheet].  Complete data is now kept in the Open Data edition, while The Imaginary Journal of Poetic Economics edition focuses on commentary....

OAIster, a union catalog of digital resources provided by the University of Michigan, achieved an important milestone this quarter, exceeding the 10 million item mark. OAIster also features a new, more user-friendly search interface. More OAIster statistics, including impressive growth in search rates and the global distribution of OAIster repositories, are available. OAIster has added more than a million items, and 34 new repositories, just this quarter....

The Registry of Open Repositories (ROAR) now includes 862 repositories, more than OAIster's 762. ROAR contains a wealth of statistical information and charts, although the author has not discovered an easy means of calculating the total number of items and/or fulltext in the ROAR repositories.

The Canadian Association of Research Libraries (CARL) Metadata Harvester grew by 20% this quarter (just under 5,000 items), for an amazing annual equivalent rate of 80%.

and E-LIS each grew by 10% this quarter, for an annual equivalent of 40%. Highwire Press Free Online Articles was not far behind, with an 8% growth or annual equivalent of 32%.

The growth rate of the large, well-established archives (arXiv and RePEC) was lower, in percentage terms, as expected.
The Directory of Open Access Journals added 104 titles this quarter, a rate of more than 1 per calendar day. This is a slightly slower growth rate than last year's 1.5 per calendar day....