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Dramatic Growth of Open Access: Open Data Edition

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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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02/200512/31/200512/31/200612/11/200712/11/200812/11/20099/30/1012/11/10Growth this quarter so far (numeric)Growth this quarter so far(percentage)Growth past year (numeric)Growth past year (percentage)

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

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# of DOAJ journals1,4001,9882,5143,0003,7814,4905,4525,8644128%1,37431%

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# of titles added last 30 days341014772148228

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# of journals searchable at article level4927479731,3291,7352,2882,4351476%70040%

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# of articles searchable at article level83,235124,033164,583240,314332,127447,657485,03437,3778%152,90746%

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

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# of documents25,516,27525,517,2589830%

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# of content providers1,7301,729-10%

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OAIster http://www.oaister.org/

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OAIster: number of records5,000,0006,255,5999,931,91014,343,24619,208,289over 23 million (note)25,000,000

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OAIster: repositories4055787269141,051over 1,100 contributors1,100

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

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7929621,2291,5531,8692,04918010%49632%

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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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8331,0131,2961,5541,7371,815784%26117%

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

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# publications16,706,57124,152,70732,265,67838,245,86438,245,86400%5,980,18619%

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# authors7,093,2389,409,240

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# repositories8408919631,1581,2691,26900%11110%

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

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# free articles800,0001,131,1351,552,4671,831,1472,015,0261,965,6711,990,7942,087,80197,0075%122,1306%

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total # articles4,559,0515,032,0416,151,6056,317,2876,447,853130,5662%296,2485%

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Highwire Completely Free Sites4343464746-1-2%00%

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Sites with free back issues25628228228641%41%

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

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# items (from ROAR) 100% fulltext766,387992,2851,503,5051,602,0511,662,4371,978,236315,79919%376,18523%

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# journals participating in PMC (from PMC website) * PMC15389601,009495%1,00931%

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# journals actively participating in PMC (total - predecessor - no new content)7219601,009495%28840%

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# journals in PMC with immediate free access413450556596407%14632%

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# journals in PMC with all articles open access288362480515357%15342%

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arXiv http://arxiv.org/ 350,745400,814453,663512,366576,095629,806645,46115,6552%69,36612%

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RePEC http://repec.org/ total items350,000451,000555,000670,000813,000955,000985,00030,0003%172,00021%

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RePEC online (fulltext)200,000250,000343,000445,000555,000692,000825,000860,00035,0004%168,00024%

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E-LIS http://eprints.rclis.org/ Documents3,0954,8717,0128,65410,01111,04811,3462983%1,33513%

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

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# archives1112171623232300%

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# items21,92225,08044,91775,085131,369129,264129,264-2,105-2%

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

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Departmental4182429521%1161%

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Funder3042464600%410%

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Institutional2579961081213%2937%

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Multi-institutional111

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Thesis39647069%3179%

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Total591782302542410%7643%

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Proposed Mandates1115192015%533%

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Elektronische Zeitschriftenbibliotek - Electronic Journals Library # open access journals16,31519,99823,35626,23126,8516202%3,49515%

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Open J-Gate http://www.openj-gate.com # english-language open-access journals4,3534,6696,1257,5327,9213895%1,79629%

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Peer-Reviewed2,5343,5104,4844,7212375%1,21135%

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

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# of journals using OJS6,6007,50090014%

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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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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. 11, 2010