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Dramatic Growth of Open Access: Open Data - Show Growth Edition December 31, 2010

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For commentary, methods notes, and links to related works see The Imaginary Journal of Poetic Economics http://poeticeconomics.blogspot.com/2006/08/dramatic-growth-of-open-access-series.html (Dramatic Growth of Open Access Series_

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12/31/200912/31/20102010 Growth (Numeric)2010 Growth (%)2010 Growth by the day2010 Growth by the week2010 Growth by the month

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Directory of Open Access Journals (DOAJ) http://www.doaj.org/

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# of DOAJ journals 4,5355,9361,40131%427117

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# of titles added last 30 days75176

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# of journals searchable at article level1,7592,49473542%21461

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# of articles searchable at article level335,499490,411154,91246%4242,97912,909

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Open J-Gate http://www.openj-gate.com # english-language open-access journals6,1988,1051,90731%537159

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Peer-Reviewed3,5804,8771,29736%425108

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Open Journal Systems http://pkp.sfu.ca/?q=ojs

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# of journals using OJS7,500

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Elektronische Zeitschriftenbibliotek - Electronic Journals Library # journals that can be read free of charge23,43927,0303,59115%1069299

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Open DOAR http://www.opendoar.org/ added April 2, 2007 (2006 from Peter Suber's SPARC Open Access Newsletter (SOAN)

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1,5581,81725917%1522

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Registry of Open Access Repositories (ROAR) http://roar.eprints.org/ # repositories

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1,5572,09053334%11044

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BASE: Bielefeld Academic Search Engine http://www.base-search.net/

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# of documents22,007,36725,516,5513,509,18416%9,61467,484292,432

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# of content providers1,4041,72732323%1627

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Scientific Commons http://www.scientificcommons.org/ (added April 2, 2007) (2006 from Peter Suber's SOAN)

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# publications32,265,67838,245,8645,980,18619%16,384115,004498,349

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# authors

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# repositories1,1581,26911110%29

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PubMedCentral http://www.pubmedcentral.nih.gov/

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see PMC Free for number of items

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# journals participating in PMC (from PMC website) * PMC1 *2004 Tim Gray1,037

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# journals actively participating in PMC (total - predecessor - no new content)7241,03731343%1626

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# journals in PMC with immediate free access45362216937%314

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# journals in PMC with all articles open access39653213634%311

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arXiv http://arxiv.org/ 579,301649,39370,09212%1921,3485,841

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RePEC http://repec.org/ total items825,000985,000160,00019%4383,07713,333

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RePEC online (fulltext)700,000860,000160,00023%4383,07713,333

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RePEc working papers380,000

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RePEc journal articles585,000

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RePEc software components2,000

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RePEc book and chapter listings21,000

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RePEc author contact and publication listings26,000

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RePEc institutional contact listings11,900

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E-LIS http://eprints.rclis.org/ Documents10,11211,4201,30813%425109

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Mendeley http://www.mendeley.com/stats/ (login required - free registration)

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metadata records56,750,918

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articles downloadable for free297,189

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Open Access Mandate Policies based on ROARMAP http://www.eprints.org/openaccess/policysignup/

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Departmental18291161%

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Funder4246410%

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Institutional791113241%13

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Multi-institutional11

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Thesis39743590%13

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Total1782618347%27

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Proposed Mandates1520533%

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Open data policies (journals) - from OAD http://oad.simmons.edu/oadwiki/Journal_open-data_policies1414

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Highwire Press Free Online Fulltext Articles http://highwire.stanford.edu/lists/freeart.dtl

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# free articles1,974,2702,135,300161,0308%3,09713,419

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total # articles6,167,0096,461,016294,0075%5,65424,501

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Highwire Completely Free Sites464712%

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Sites with free back issues28328410%

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Open Content Alliance / Internet Archives

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# books under OCA principles or public domain hosted by Internet Archives1,600,000

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No longer tracked as of December 2010

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OAIster http://www.oaister.org/

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OAIster: number of recordsover 23 million (note)

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OAIster: repositoriesover 1,100 contributors

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CARL Metadata Harvester http://carl-abrc-oai.lib.sfu.ca/

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# archives23n/a

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# items132,066n/a

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Heather Morrison, The Imaginary Journal of Poetic Economics http://poeticeconomics.blogspot.com

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This work is licensed under the Creative Commons Attribution-Noncommercial-Share Alike 2.5 Canada License. To view a copy of this license, visit http://creativecommons.org/licenses/by-nc-sa/2.5/ca/ or send a letter to Creative Commons, 171 Second Street, Suite 300, San Francisco, California, 94105, USA.

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last updated:

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Dec. 31, 2010