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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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02/20053/31/20063/31/20073/31/20083/31/0912/31/200903/31/2010Quarterly growth (numeric)Quarterly Growth (percentage)Annual Growth (numeric)Annual Growth (percentage)
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Directory of Open Access Journals (DOAJ) http://www.doaj.org/
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# of DOAJ journals1,4002,1582,6183,3023,9994,5354,8633287%86422%
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# of titles added last 30 days7837781057595
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# of journals searchable at article level5947881,0721,4231,7591,97421512%55139%
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# of articles searchable at article level92,751130,014175,230266,451335,499377,83742,33813%111,38642%
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BASE: Bielefeld Academic Search Engine http://www.base-search.net/
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# of documents22,007,36723,244,3121,236,9456%
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# of content providers1,4041,5331299%
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OAIster http://www.oaister.org/
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OAIster: number of records5,000,0007,040,58611,023,11215,598,09720,310,591over 23 million (note)
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OAIster: repositories4056107609431,096over 1,100 contributors
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Registry of Open Access Repositories (ROAR) http://roar.eprints.org/ # repositories
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8621,0361,3011,5571,6821258%38129%
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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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8531,1181,3731,5581,617594%24418%
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Scientific Commons http://www.scientificcommons.org/ (added April 2, 2007) (2006 from Peter Suber's SOAN)
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# publications14,554,63618,152,31626,430,90932,265,67834,643,7072,378,0297%8,212,79831%
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# authors6,408,0607,388,623
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# repositories8499029811,1581,196383%21522%
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Highwire Press Free Online Fulltext Articles http://highwire.stanford.edu/lists/freeart.dtl
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# free articles800,0001,335,5461,683,8091,872,9801,891,9741,974,2702,003,89229,6222%111,9186%
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total # articles4,726,3655,609,4736,167,0096,245,10178,0921%635,62811%
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Highwire Completely Free Sites3743444645-1-2%12%
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Sites with free back issues24926728328631%197%
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PubMedCentral http://www.pubmedcentral.nih.gov/
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# items (from ROAR) 100% fulltext840,0871,121,1621,530,6231,603,5181,624,64921,1311%94,0266%
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# journals participating in PMC (from PMC website) * PMC1410663
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# journals actively participating in PMC (total - predecessor - no new content)72483210815%
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# journals in PMC with immediate free access321447453493409%4610%
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# journals in PMC with all articles open access306396426308%12039%
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arXiv http://arxiv.org/ 362,334414,115470,439530,415579,301595,70316,4023%65,28812%
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RePEC http://repec.org/ total items367,000453,000575,000727,000825,000865,00040,0005%138,00019%
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RePEC online (fulltext)200,000266,000346,000465,000615,000700,000740,00040,0006%125,00020%
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E-LIS http://eprints.rclis.org/ Documents3,5395,3757,5238,97610,11210,5244124%1,54817%
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CARL Metadata Harvester http://carl-abrc-oai.lib.sfu.ca/
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# archives12121717232300%635%
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# items22,56630,05046,76892,057132,066140,9938,9277%48,93653%
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Open Access Mandate Policies based on ROARMAP http://www.eprints.org/openaccess/policysignup/
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Departmental61821317%15250%
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Funder35424425%926%
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Institutional317987810%56181%
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Thesis39602154%
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Total721782123419%140194%
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Proposed Mandates141519427%536%
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Elektronische Zeitschriftenbibliotek - Electronic Journals Library # open access journals17,63621,30723,43924,2387993%2,93114%
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Open J-Gate http://www.openj-gate.com # english-language open-access journals4,3764,8306,1986,6544567%1,82438%
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Peer-Reviewed2,6523,5803,8322527%1,18044%
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Open Journal Systems http://pkp.sfu.ca/?q=ojs
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# of journals using OJS9002,0005,000
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Open Contact 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 http://pages.cmns.sfu.ca/heather-morrison/
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Last updated March 31, 2010
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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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